🟠 QT Drugs: Drugs causing QT prolongation, torsade de pointes (TdP) and long QT syndrome (LQTS)

Contents (2)

A comprehensive list of conditions and drugs that may prolong the QT interval, and cause torsade de pointes (TdP) and long QT syndrome (LQTS) is presented below. With regards to drugs, the risk of QT prolongation and TdP varies markedly across the list but tends to be rather similar within a drug class. While the risk of TdP is well-defined for many of these agents, many are classified as QT-prolonging solely based on their drug class or presumed pharmacodynamic effects. We provide a direct PubMed search for each drug and we recommend the reader to use this link to assess the literature.

Medical conditions

CategoryCondition
Congenital conditionsJervell and Lange-Nielsen syndrome
Romano-Ward syndrome
Idiopathic congenital long QT syndrome (LQTS)
Metabolic disordersHypokalemia
Hypomagnesemia
Hypocalcemia
Starvation
Anorexia nervosa
Liquid protein diets
Hypothyroidism
BradyarrhythmiaSinus bradycardia
Sinus node dysfunction
AV-blocks

Drugs

DrugBrandsTdP RiskClassClinical UseDrugbank DescriptionPubmed RecordDrugBank Record
AbarelixPlenaxisClassified as QT prolonging drug in DrugBank. No data on QT prolongation or risk of torsade de pointes in PubMed.GnRH AntagonistCancer (prostate)Synthetic decapeptide antagonist to gonadotropin releasing hormone (GnRH).PubMed search Abarelix)DrugBank search Abarelix
Abexinostat NoneClassified as QT prolonging drug in DrugBank. No data on QT prolongation or risk of torsade de pointes in PubMed. Abexinostat has been used in trials studying the treatment of Sarcoma, Lymphoma, Leukemia, Lymphocytic, and Hodgkin Disease, among others. It is a novel, broad-spectrum hydroxamic acid-based inhibitor of histone deacetylase...PubMed search Abexinostat)DrugBank search Abexinostat
AbirateroneZytiga, Abiratas, Abretone, AbiraproSeveral cases of QT prolongation and torsade de pointes reported to the FDA in postmarketing studies.Anti-androgenCancer (Prostate)Abiraterone is an antiandrogen used in the treatment of prostate cancer.PubMed search Abiraterone)DrugBank search Abiraterone
Aceprometazine NoneClassified as QT prolonging drug in DrugBank. No data on QT prolongation or risk of torsade de pointes in PubMed.Drug with neuroleptic and anti-histamine properties.Sleep disorder Aceprometazine is often used in combination with meprobamate for the treatment of sleep disorders.PubMed search Aceprometazine)DrugBank search Aceprometazine
Acetyldigoxin Classified as QT prolonging drug in DrugBank. No data on QT prolongation or risk of torsade de pointes in PubMed. PubMed search Acetyldigoxin)DrugBank search Acetyldigoxin
AclarubicinAclarubicinSeveral cases of QT prolongation and ventricular fibrillation have been reported. See PubMed link. PubMed search Aclarubicin)DrugBank search Aclarubicin
Acrivastine QT prolongation has been described (see PubMed link). An antihistamine agent used for the symptomatic relief of seasonal allergic rhinitis, rhinorrhea, pruritus, lacrimation, and nasal congestion.PubMed search Acrivastine)DrugBank search Acrivastine
Ajmaline AjimalinFew cases with torsade de pointes described (see PubMed link).Class IA antiarrhythmicArrhythmiasAn antiarrhythmic used to manage several tachycardias.PubMed search Ajmaline)

Kaul et al Haverkamp et al

DrugBank search Ajmaline
Albuterol (Salbutamol)Proventil, Ventolin, Ventolin-HFA, Accuneb, Combivent, Vospire-ER, ProAir HFA, DuonebLow riskBronchodilatorAsthmaBeta-2 adrenergic receptor agonist used to treat asthma, bronchitis, COPD, as well as prevent exercise induced bronchospasms PubMed search Albuterol (salbutamol))DrugBank search Albuterol (salbutamol)
AlfuzosinUroxatralLow to moderate riskAlpha-1 adrenergic blockerBenign prostatic hyperplasiaAn alpha-1 adrenergic antagonist used in the symptomatic management of benign prostatic hypertrophy (BPH).PubMed search Alfuzosin)DrugBank search Alfuzosin
Alimemazine Panectyl*Classified as QT prolonging drug in Drugbank An antihistamine agent used to prevent and relieve allergic conditions which cause pruritus and other allergic skin conditions, including urticaria.PubMed search Alimemazine)DrugBank search Alimemazine
Alimemazine (Trimeprazine)PanectylLow to moderate risk AntihistamineAllergic reactions PubMed search Alimemazine (Trimeprazine)+AND+(%22QT%22+OR+Torsad*))DrugBank search Alimemazine (Trimeprazine)
AmantadineSymmetrel, Symadine, Gocovri, OsmolexLow to moderate riskAntiviralViral infection (Influenza), Parkinson's diseaseA medication used to treat dyskinesia in Parkinson's patients receiving levodopa, as well as extrapyramidal side effects of medications.PubMed search Amantadine)DrugBank search Amantadine
AmifampridineFirdapse, RuzurgiClassified as QT prolonging drug. No cases described in PubMed (see link). Presumably low risk. A voltage gated potassium channel blocker used to treat Lambert-Eaton myasthenic syndrome.PubMed search Amifampridine)DrugBank search Amifampridine
AmiodaroneCordarone, Pacerone, NexteroneFrequently causes non-significant QT prolongaton. Rarely causes torsade de pointes. Low risk in patients without propensity for QT prolongation.Class III AntiarrhythmicArrhythmiaA class III antiarrhythmic indicated for the treatment of ventricular premature beats, ventricular tachycardia and ventricular fibrillation.PubMed search Amiodarone)DrugBank search Amiodarone
AmisulprideBarhemsys, Solian, Supitac, Soltus, Amitrex, AmazeoLow to moderate risk (with IV use)Antiemetic, AntipsychoticNausea and vomiting, postoperativeDopamine D2 receptor antagonist used in the treatment of acute and chronic schizophrenia, and in the prevention and treatment of postoperative nausea and vomiting in adults.PubMed search Amisulpride)DrugBank search Amisulpride
AmitriptylineElavil, Tryptomer, Tryptizol, Laroxyl, Saroten, Sarotex Lentizol, EndepAmitriptyline has been reported to induce long QT syndrome and Brugada syndrome (see PubMed link).Antidepressant, TricyclicDepressionA tricyclic antidepressant indicated in the treatment of depressive illness, either endogenous or psychotic, and to relieve depression associated anxiety.PubMed search Amitriptyline)DrugBank search Amitriptyline
Amodiaquine Data on amodiaquine are scarce, although transient effects on cardiac electrophysiology (QT interval prolongation and sinus bradycardia) have been observed (see PubMed link).Antimalarial drug.Antimalarial drug.Antimalarial drug.PubMed search Amodiaquine)DrugBank search Amodiaquine
AmoxapineAmoxapineAmoxapine has been linked to cases of QT prolongation, acute heart failure, and sudden death (See PubMed links) A tricyclic antidepressant used in the treatment of neurotic or reactive depressive disorders and endogenous or psychotic depression.PubMed search Amoxapine)DrugBank search Amoxapine
Amphetamine (Amfetamine)Adderal-XR, Dexedrine, Dextroamp, Adderall, Adzenys, Dyanavel, Evekeo, MydayisModerate risk.CNS stimulantADHDCNS stimulant and sympathomimetic agent indicated for the treatment of Attention Deficit Hyperactivity Disorder (ADHD).PubMed search Amphetamine (Amfetamine))DrugBank search Amphetamine (Amfetamine)
Amphotericin BFungilin, Fungizone, Abelcet, AmBisome, Fungisome, Amphocil, AmphotecSeveral cases of QT prolongation and torsade de pointes described (see PubMed link).AntifungalFungal infectionAntifungal used in neutropenic patients, cryptococcal meningitis in HIV infection, fungal infections, and leishmaniasis.PubMed search Amphotericin B)DrugBank search Amphotericin B
Amsacrine (Acridinyl anisidide)AmsidineClassified as QT prolonging drugAntineoplastic AgentCancer (Acute Lymphoblastic Leukemia) PubMed search Amsacrine (Acridinyl anisidide)+AND+(%22QT%22+OR+Torsad*))DrugBank search Amsacrine (Acridinyl anisidide)
AnagrelideAgrylin, XagridLow to moderate riskPhosphodiesterase 3 inhibitorThrombocythemiaA platelet-reducing agent used to treat thrombocythemia, and its related complications, secondary to myeloproliferative neoplasms.PubMed search Anagrelide)DrugBank search Anagrelide
Anisodamine Classified as QT prolonging drug Anisodamine has been investigated for the treatment of Intestinal Diseases.PubMed search Anisodamine)DrugBank search Anisodamine
Antazoline Classified as QT prolonging drug An antihistamine agent used for the symptomatic treatment of nasal congestion and allergic conjunctivitis.PubMed search Antazoline)DrugBank search Antazoline
ApalutamideErleadaClassified as QT prolonging drugnonsteroidal antiandrogenCancer (prostate) PubMed search Apalutamide)DrugBank search Apalutamide
ApomorphineApokyn, Ixense, Spontane, UprimaLow to moderate riskDopamine agonistParkinson's diseaseA morphine derivative D2 dopamine agonist used to treat hypomobile "off" episodes of advanced Parkinson's disease.PubMed search Apomorphine)DrugBank search Apomorphine
Aranidipine Classified as QT prolonging drug Aranidipine has been used for many years to treat angina pectoris and hypertension.PubMed search Aranidipine)DrugBank search Aranidipine
ArformoterolBrovanaLow riskBronchodilatorAsthma, COPDA beta-2 adrenergic agonist and bronchodilator used for long term, symptomatic treatment of reversible bronchoconstriction in patients with chronic obstructive pulmonary disease (COPD), including chronic bronchitis and emphysema.PubMed search Arformoterol)DrugBank search Arformoterol
AripiprazoleAbilify, AripiprexClassified as QT prolonging drugAntipsychotic, atypicalSchizophrenia, depression (adjunct)An atypical antipsychotic used in the treatment of a wide variety of mood and psychotic disorders, such as schizophrenia, bipolar I, major depressive disorder, irritability associated with autism, and Tourette's syndrome.PubMed search Aripiprazole)DrugBank search Aripiprazole
Aripiprazole lauroxil Classified as QT prolonging drug An antipsychotic used to treat schizophrenia in adults.PubMed search Aripiprazole lauroxil)DrugBank search Aripiprazole lauroxil
Arsenic trioxideTrisenoxHigh riskAnti-cancerCancer (leukemia)A chemotherapeutic agent used in the treatment of refractory or relapsed acute promyelocytic leukemia in patients with prior retinoid and anthracycline chemotherapy.PubMed search Arsenic trioxide)DrugBank search Arsenic trioxide
Artemether Classified as QT prolonging drug An antimalarial agent used in combination with lumefantrine for the treatment of acute uncomplicated malaria caused by Plasmodium falciparum.PubMed search Artemether)DrugBank search Artemether
Artemether LumefantrineCoartemLow riskAnti-malarialMarlaria PubMed search Artemether Lumefantrine)DrugBank search Artemether Lumefantrine
Artenimol / PiperaquineEurartesimModerate riskAntimalarialMalaria PubMed search Artenimol / Piperaquine)DrugBank search Artenimol / Piperaquine
AsenapineSaphris, SycrestLow to moderate riskAntipsychotic, atypicalSchizophreniaAn atypical antipsychotic used to treat patients with bipolar I disorder and patients with schizophrenia.PubMed search Asenapine)DrugBank search Asenapine
AstemizoleHismanalClassified as QT prolonging drugAntihistamineAllergic rhinitisA second generation antihistamine used to treat allergy symptoms.PubMed search Astemizole)DrugBank search Astemizole
AtazanavirReyataz, EvotazClassified as QT prolonging drugAntiviralViral infection (HIV/AIDS)An antiviral protease inhibitor used in combination with other antiretrovirals for the treatment of HIV.PubMed search Atazanavir)DrugBank search Atazanavir
AtomoxetineStratteraLow to moderate riskCNS stimulantADHDA selective norepinephrine reuptake inhibitor (SNRI) used in the management of Attention Deficit Hyperactivity Disorder (ADHD).PubMed search Atomoxetine)DrugBank search Atomoxetine
Azatadine Classified as QT prolonging drug An H1 receptor antagonist used to treat perennial and allergic rhinitis as well as eustachian tube congestion.PubMed search Azatadine)DrugBank search Azatadine
Azimilide Classified as QT prolonging drug Investigated for use/treatment in arrhythmia and atrial fibrillation.PubMed search Azimilide)DrugBank search Azimilide
AzithromycinZithromax, ZmaxModerate riskAntibioticBacterial infectionA macrolide antibiotic used to treat a variety of bacterial infections.PubMed search Azithromycin)DrugBank search Azithromycin
BedaquilineSirturoHigh riskAntibioticTuberculosis, Multi-drug resistantA diarylquinoline antimycobacterial used in combination with other antibacterials to treat pulmonary multidrug resistant tuberculosis (MDR-TB).PubMed search Bedaquiline)DrugBank search Bedaquiline
BendamustineTreanda, Treakisym, Ribomustin, LevactClassified as QT prolonging drugAnti-cancerCancer (Leukemia, lymphoma) PubMed search Bendamustine)DrugBank search Bendamustine
Bendroflumethiazide / BendrofluazideAprinox, CorzideClassified as QT prolonging drugDiuretic, thiazideHypertension, diuresis PubMed search Bendroflumethiazide / Bendrofluazide)DrugBank search Bendroflumethiazide / Bendrofluazide
Benzatropine Classified as QT prolonging drug An anticholinergic drug used to treat Parkinson's disease (PD) and extrapyramidal symptoms, except tardive dyskinesia.PubMed search Benzatropine)DrugBank search Benzatropine
BenzphetamineDidrex, RecedeClassified as QT prolonging drug Obesity PubMed search Benzphetamine)DrugBank search Benzphetamine
BepridilVascorHigh riskAntianginalAngina Pectoris (heart pain)For the treatment of hypertension, and chronic stable angina (classic effort-associated angina).PubMed search Bepridil)DrugBank search Bepridil
Berotralstat Classified as QT prolonging drug An inhibitor of plasma kallikrein used for prophylaxis of angioedema attacks in patients with hereditary angioedema.PubMed search Berotralstat)DrugBank search Berotralstat
Besifloxacin Classified as QT prolonging drug A fluoroquinolone antibiotic agent used for the treatment of bacterial conjunctivitis.PubMed search Besifloxacin)DrugBank search Besifloxacin
BetrixabanBevyxxaClassified as QT prolonging drugAnticoagulantAnticoagulant PubMed search Betrixaban)DrugBank search Betrixaban
BicalutamideCasodexClassified as QT prolonging drugAnti-androgenCancer (prostate) PubMed search Bicalutamide)DrugBank search Bicalutamide
BilastineBlextenClassified as QT prolonging drugAntihistaminesAntihistamines PubMed search Bilastine)DrugBank search Bilastine
BortezomibVelcade, BortecadClassified as QT prolonging drugProteasome inhibitorCancer (multiple myeloma,lymphoma)A proteasome inhibitor used to treat multiple myeloma in patients who have not been successfully treated with at least two previous therapies.PubMed search Bortezomib)DrugBank search Bortezomib
BosutinibBosulifLow riskAnti-cancerCancer (leukemia) PubMed search Bosutinib)DrugBank search Bosutinib
Buclizine Classified as QT prolonging drug An antihistamine and antiemetic drug for the treatment of allergy symptoms and prevention of nausea and vomiting.PubMed search Buclizine)DrugBank search Buclizine
Bunaftine Classified as QT prolonging drug Not AnnotatedPubMed search Bunaftine)DrugBank search Bunaftine
Bupranolol Classified as QT prolonging drug Used to manage hypertension and tachycardia. Also used to treat glaucoma.PubMed search Bupranolol)DrugBank search Bupranolol
BuprenorphineButrans, Belbuca, Bunavail, Buprenex, Subutex, Suboxone, ZubsolvLow riskOpioid agonistNarcotic dependence, pain PubMed search Buprenorphine)DrugBank search Buprenorphine
Buserelin Classified as QT prolonging drug A LHRH agonist used for the palliative treatment of hormone-dependent advanced carcinoma of the prostate gland in males and treatment of endometriosis in females.PubMed search Buserelin)DrugBank search Buserelin
Butriptyline Classified as QT prolonging drug Butriptyline is a tricyclic antidepressant which has been used in Europe since 1974. It is the isobutyl side chain homologue of amitriptyline.PubMed search Butriptyline)DrugBank search Butriptyline
CabozantinibCometriqClassified as QT prolonging drugAnti-cancerCancer (renal cell) PubMed search Cabozantinib)DrugBank search Cabozantinib
CapecitabineXelodaModerate riskAnti-cancerCancer (GI, Breast) PubMed search Capecitabine)DrugBank search Capecitabine
CarbetocinPabal, Lonactene, DuratocinModerate riskuterotonicUterine atony PubMed search Carbetocin)DrugBank search Carbetocin
Cariporide Classified as QT prolonging drug Investigated for use/treatment in cardiac surgery.PubMed search Cariporide)DrugBank search Cariporide
CeritinibZykadiaModerate riskAnti-cancerCancer (Lung)An antineoplastic kinase inhibitor used to treat anaplastic lymphoma kinase (ALK)-positive metastatic non-small cell lung cancer (NSCLC) in patients with inadequate clinical response or intolerance to crizotinib.PubMed search Ceritinib)DrugBank search Ceritinib
Cesium ChlorideEnergy CatalystClassified as QT prolonging drugtoxinAlternative therapy cancer PubMed search Cesium Chloride)DrugBank search Cesium Chloride
Chloral hydrateAquachloral, Novo-Chlorhydrate, Somnos, Noctec, SomnoteClassified as QT prolonging drugSedativeSedation, insomnia PubMed search Chloral hydrate)DrugBank search Chloral hydrate
Chlorcyclizine Classified as QT prolonging drug Chlorcyclizine is a first generation phenylpiperazine class antihistamine used to treat urticaria, rhinitis, pruritus, and other allergy symptoms. Chlorcyclizine also has some local anesthetic, anticholinergic, and antiserotonergic properties, and can...PubMed search Chlorcyclizine)DrugBank search Chlorcyclizine
ChloroquineAralenModerate riskAntimalarialMalariaAn antimalarial drug used to treat susceptible infections with P. vivax, P. malariae, P. ovale, and P. falciparum. It is also used for second line treatment for rheumatoid arthritis.PubMed search Chloroquine)DrugBank search Chloroquine
ChlorpromazineThorazine, Largactil, MegaphenHigh riskAntipsychotic / AntiemeticPsychosis, nausea, many othersA phenothiazine antipsychotic used to treat nausea, vomiting, preoperative anxiety, schizophrenia, bipolar disorder, and severe behavioral problems in children.PubMed search Chlorpromazine)DrugBank search Chlorpromazine
ChlorprothixeneTruxalClassified as QT prolonging drugAntipsychoticSchizophrenia PubMed search Chlorprothixene)DrugBank search Chlorprothixene
Cibenzoline Classified as QT prolonging drug Not AnnotatedPubMed search Cibenzoline)DrugBank search Cibenzoline
Cicletanine Classified as QT prolonging drug Cicletanine is under investigation for the treatment of Diabetes, Hypokalemia, Hyponatremia, and Arterial Hypertension.PubMed search Cicletanine)DrugBank search Cicletanine
CilostazolPletalClassified as QT prolonging drugPhosphodiesterase 3 inhibitorIntermittent claudicationAn antiplatelet agent and vasodilator used for the symptomatic relief of intermittent claudication.PubMed search Cilostazol)DrugBank search Cilostazol
CimetidineTagametClassified as QT prolonging drugAntacidGastric hyperacidity, GERD PubMed search Cimetidine)DrugBank search Cimetidine
Cinoxacin Classified as QT prolonging drug For the treatment of initial and recurrent urinary tract infections in adults caused by the following susceptible microorganisms: Escherichia coli, Proteus mirabilis, Proteus vulgaris, Klebsiella species (including K. pneumoniae), and...PubMed search Cinoxacin)DrugBank search Cinoxacin
CiprofloxacinCipro, Cipro-XR, NeofloxinLow to moderate riskAntibioticBacterial infectionA second generation fluoroquinolone used to treat various susceptible bacterial infections.PubMed search Ciprofloxacin)DrugBank search Ciprofloxacin
CisapridePropulsidHigh riskGI stimulantIncrease GI motilityA medication used to treat heartburn associated with GERD.PubMed search Cisapride)DrugBank search Cisapride
CitalopramCelexa, CipramilModerate riskAntidepressant, SSRIDepressionA selective serotonin reuptake inhibitor (SSRI) used in the treatment of depression.PubMed search Citalopram)DrugBank search Citalopram
ClarithromycinBiaxin, PrevpacModerate riskAntibioticBacterial infectionA macrolide antibiotic used for the treatment of a wide variety of bacterial infections such as acute otitis, pharyngitis, tonsillitis, respiratory tract infections, uncomplicated skin infections, and helicobacter pylori infection.PubMed search Clarithromycin)DrugBank search Clarithromycin
Clemastine Classified as QT prolonging drug An antihistamine with sedative and anticholinergic effects used to treat the symptoms of allergic rhinitis.PubMed search Clemastine)DrugBank search Clemastine
ClofazimineLampreneModerate riskAntibioticLeprosy PubMed search Clofazimine)DrugBank search Clofazimine
ClomipramineAnafranilModerate riskAntidepressant, TricyclicDepressionA tricyclic antidepressant used in the treatment of obsessive-compulsive disorder and disorders with an obsessive-compulsive component, such as depression, schizophrenia, and Tourette’s disorder.PubMed search Clomipramine)DrugBank search Clomipramine
ClotiapineClotiapineClassified as QT prolonging drug PubMed search Clotiapine)DrugBank search Clotiapine
ClozapineClozaril, Fazaclo, VersaclozModerate riskAntipsychotic, atypicalSchizophreniaAn antipsychotic drug used in treatment resistant schizophrenia and to decrease suicide risk in schizophrenic patients.PubMed search Clozapine)DrugBank search Clozapine
CobimetinibCotellicClassified as QT prolonging drugAnti-cancerCancer (Melanoma) PubMed search Cobimetinib)DrugBank search Cobimetinib
CocaineCocaineLow to moderate risk with topical useLocal anestheticAnesthesia (topical)An ester local anesthetic used during diagnostic procedures and surgeries in or through the nasal cavities.PubMed search Cocaine)DrugBank search Cocaine
Coumaphos Classified as QT prolonging drug This drug is a fat-soluble phosphorothioate agent that kills both insects and mites. It is non-volatile in nature and is well known by a variety of names as such a...PubMed search Coumaphos)DrugBank search Coumaphos
CrizotinibXalkoriModerate riskAnti-cancerCancer (Non-small cell lung cancer, metastatic)A receptor tyrosine kinase inhibitor used to treat metastatic non-small cell lung cancer (NSCLC) where the tumors have been confirmed to be anaplastic lymphoma kinase (ALK), or ROS1-positive.PubMed search Crizotinib)DrugBank search Crizotinib
CUDC-101 Classified as QT prolonging drug CUDC-101 has been used in trials studying the treatment of Cancer, Tumors, Liver Cancer, Breast Cancer, and Gastric Cancer, among others.PubMed search CUDC-101)DrugBank search CUDC-101
CUDC-907 Classified as QT prolonging drug CUDC-907 has been used in trials studying the treatment of Lymphoma, Solid Tumors, BREAST CANCER, Multiple Myeloma, and NUT Midline Carcinoma, among others.PubMed search CUDC-907)DrugBank search CUDC-907
Cyamemazine (Cyamepromazine)TercianClassified as QT prolonging drugAntipsychoticSchizophrenia, sedation PubMed search Cyamemazine (Cyamepromazine))DrugBank search Cyamemazine (Cyamepromazine)
Cyclizine Classified as QT prolonging drug An antihistamine and antiemetic drug used for the prevention and treatment of nausea, vomiting, and dizziness associated with motion sickness, and vertigo.PubMed search Cyclizine)DrugBank search Cyclizine
DabrafenibTafinlarModerate riskAnti-cancerCancer (melanoma)A kinase inhibitor used to treat patients with specific types of melanoma, non-small cell lung cancer, and thyroid cancer.PubMed search Dabrafenib)DrugBank search Dabrafenib
DasatinibSprycelModerate riskAnti-cancerCancer (leukemia)A tyrosine kinase inhibitor used for the treatment of lymphoblastic or chronic myeloid leukemia with resistance or intolerance to prior therapy.PubMed search Dasatinib)DrugBank search Dasatinib
DegarelixFirmagon, FerringClassified as QT prolonging drugAnti-androgenCancer (prostate)A GnRH receptor antagonist used in the management of advanced prostate cancer.PubMed search Degarelix)DrugBank search Degarelix
DelamanidDeltybaHigh riskAntibioticTuberculosis, Multi-drug resistantAn antibiotic used to treat multidrug resistant tuberculosis.PubMed search Delamanid)DrugBank search Delamanid
Desflurane Classified as QT prolonging drug A general inhalation anesthetic for inpatient and outpatient surgery in adults.PubMed search Desflurane)DrugBank search Desflurane
DesipraminePertofrane, NorpramineClassified as QT prolonging drugAntidepressant, TricyclicDepressionA tricyclic antidepressant used in the treatment of depression.PubMed search Desipramine)DrugBank search Desipramine
DeutetrabenazineAustedoLow to moderate riskVMAT2 inhibitorHuntington's disease PubMed search Deutetrabenazine)DrugBank search Deutetrabenazine
Dexbrompheniramine Classified as QT prolonging drug An antihistamine used to treat allergy symptoms including upper respiratory tract symptoms.PubMed search Dexbrompheniramine)DrugBank search Dexbrompheniramine
DexmedetomidineDexdor, Igalmi, PrecedexLow riskAnesthetic, generalAnesthesia PubMed search Dexmedetomidine)DrugBank search Dexmedetomidine
DexmethylphenidateFocalin, Focalin-XR, AttenadeClassified as QT prolonging drugCNS stimulantADHD PubMed search Dexmethylphenidate)DrugBank search Dexmethylphenidate
Dextroamphetamine (dexamfetamine)Dexedrine, dexamphetamine, dexamfetamine, (S)-(+)-amphetamine, Dextrostat, Dexedrine, Metamina, Attentin, Zenzedi, Procentra, AmfexaClassified as QT prolonging drugCNS stimulantADHD, obesity PubMed search Dextroamphetamine (dexamfetamine))DrugBank search Dextroamphetamine (dexamfetamine)
Dextromethorphan QuinidinefloxuridineHigh riskUnknownPseudobulbar affect PubMed search Dextromethorphan Quinidine)DrugBank search Dextromethorphan Quinidine
Dexverapamil Classified as QT prolonging drug Not AnnotatedPubMed search Dexverapamil)DrugBank search Dexverapamil
Dichlorvos Classified as QT prolonging drug Dichlorvos or 2,2-dichlorovinyl dimethyl phosphate is a drug of the organophosphate class, frequently used as an insecticide for the control of indoor pests and for the protection of stored products...PubMed search Dichlorvos)DrugBank search Dichlorvos
Diethylpropion (amfepramone)Tenuate, TepanilClassified as QT prolonging drugSympathomimeticObesity PubMed search Diethylpropion (amfepramone))DrugBank search Diethylpropion (amfepramone)
Difloxacin Classified as QT prolonging drug Difloxacin is a synthetic fluoroquinolone used in veterinary. As an antibacterial, it presents a broad bactericidal spectrum and its effects are dependent on its concentration. However, it presents a reduced...PubMed search Difloxacin)DrugBank search Difloxacin
DiltiazemCardizemClassified as QT prolonging drugCalcium channel blockerHypertension PubMed search Diltiazem)DrugBank search Diltiazem
DiphenhydramineBenadryl, Nytol, Unisom, Sominex, Dimedrol, Daedalon, BanophenClassified as QT prolonging drugAntihistamineAllergic rhinitis, insomniaA H1 receptor antihistamine used in the treatment of seasonal allergies, and various allergic reactions including sneezing, runny nose, itchy/watery eyes, itching of nose or throat, pruritus, urticaria, insect bites/stings, and allergic rashes.PubMed search Diphenhydramine)DrugBank search Diphenhydramine
DisopyramideNorpaceClassified as QT prolonging drugAntiarrhythmicArrhythmiaA class 1A antiarrhythmic agent used to treat life-threatening ventricular arrhythmias.PubMed search Disopyramide)DrugBank search Disopyramide
DobutamineDobutrexClassified as QT prolonging drugInotropeHeart failure, shock (low blood pressure) PubMed search Dobutamine)DrugBank search Dobutamine
DofetilideTikosynClassified as QT prolonging drugAntiarrhythmicArrhythmiaA class III antiarrhythmic drug used for the maintenance of normal sinus rhythm and cardioversion in cases of atrial fibrillation and atrial flutter.PubMed search Dofetilide)DrugBank search Dofetilide
DolasetronAnzemetLow to moderate riskAntiemeticNausea, vomitingAn antinauseant and antiemetic used in chemotherapy and postoperatively.PubMed search Dolasetron)DrugBank search Dolasetron
DomperidoneMotilium, Motillium, Motinorm Costi, NomitModerate riskAntiemeticNausea, vomitingA dopamine receptor antagonist used as a peristaltic stimulant and anti-emetic agent for dyspepsia, indigestion, epigastric pain, nausea, and vomiting.PubMed search Domperidone)DrugBank search Domperidone
DonepezilAriceptLow to moderate riskCholinesterase inhibitorDementia (Alzheimer's Disease) PubMed search Donepezil)DrugBank search Donepezil
DopamineIntropineClassified as QT prolonging drugInotropeHeart failure, shock (low blood pressure) PubMed search Dopamine)DrugBank search Dopamine
DoxepinSinequan, Silenor, Aponal, Adapine, Doxal, Deptran, SinquanModerate riskAntidepressant, TricyclicDepressionA psychotropic agent used for the treatment of depression, anxiety, manic-depressive disorder, and insomnia.PubMed search Doxepin)DrugBank search Doxepin
Doxylamine Classified as QT prolonging drug An antihistamine used to treat insomnia and allergy symptoms and is used with pyridoxine in the treatment of nausea and vomiting in pregnancy.PubMed search Doxylamine)DrugBank search Doxylamine
DronedaroneMultaqClassified as QT prolonging drugAntiarrhythmicArrhythmiaAn antiarrhythmic agent used in the reduce the risk of hospitalization in patients with paroxysmal or persistent atrial fibrillation.PubMed search Dronedarone)DrugBank search Dronedarone
DroperidolInapsine, Droleptan, Dridol, XomolixModerate riskAntipsychotic / AntiemeticAnesthesia (adjunct), nauseaA butyrophenone derivative and dopamine antagonist used to prevent and treat postoperative nausea and vomiting.PubMed search Droperidol)DrugBank search Droperidol
DroxidopaNortheraClassified as QT prolonging drugAdrenergic pro-drugHypotension (Neurogenic orthostatic) PubMed search Droxidopa)DrugBank search Droxidopa
Echothiophate Classified as QT prolonging drug An acetylcholinesterase inhibitor used in ophthalmic preparations to increase the drainage of intraocular fluid; most commonly used for the treatment of glaucoma.PubMed search Echothiophate)DrugBank search Echothiophate
EfavirenzSustivaLow to moderate riskAntiviralHIV/AIDS PubMed search Efavirenz)DrugBank search Efavirenz
Efonidipine Classified as QT prolonging drug For the treatment of hypertension.PubMed search Efonidipine)DrugBank search Efonidipine
EliglustatCerdelgaLow to moderate riskGlucosylceramide synthase inhibitorGaucher's diseaseA glucosylceramide synthase used to treat type 1 Gaucher disease in patients who are CYP2D6 extensive, intermediate, or poor metabolizers.PubMed search Eliglustat)DrugBank search Eliglustat
Encainide Classified as QT prolonging drug A voltage-gated sodium channel blocker used for management of atrial or ventricular fibrillation, atrial flutter, and ventricular tachycardia, that is no longer used due to proarrhythmic adverse effects.PubMed search Encainide)DrugBank search Encainide
EncorafenibBraftoviModerate riskBRAF inhibitorCancer (Melanoma) PubMed search Encorafenib)DrugBank search Encorafenib
Enoxacin Classified as QT prolonging drug For the treatment of adults (≥18 years of age) with the following infections caused by susceptible strains of the designated microorganisms: (1) uncomplicated urethral or cervical gonorrhea due to Neisseria...PubMed search Enoxacin)DrugBank search Enoxacin
Entinostat Classified as QT prolonging drug Entinostat is under investigation for the treatment and other of Volunteers, Breast Cancer, Human Volunteers, and Normal Volunteers. Entinostat has been investigated for the treatment of Non-Small Lung Cancer, Epigenetic...PubMed search Entinostat)DrugBank search Entinostat
EntrectinibRozlytrekClassified as QT prolonging drugAnti-cancerCancer (Lung)Entrectinib is indicated for the treatment of metastatic ROS1-positive non-small cell lung cancer in adults. Entrectinib is also indicated in adults and children over 12 years old for the treatment...PubMed search Entrectinib)DrugBank search Entrectinib
EperisoneEperisoneClassified as QT prolonging drug An antispasmodic that functions through voltage-gated channel blockade, notably with little to no sedation, effective in relaxing skeletal muscles and vascular smooth muscles.PubMed search Eperisone)DrugBank search Eperisone
EphedrineRynatuss, BroncholateClassified as QT prolonging drugBronchodilator, decongestantAllergic reaction, allergic rhinitis, asthma PubMed search Ephedrine)DrugBank search Ephedrine
Epinastine Classified as QT prolonging drug An H1 receptor antagonist used to prevent itching in allergic conjunctivitis.PubMed search Epinastine)DrugBank search Epinastine
Epinephrine (Adrenaline)Primatene, BronkaidClassified as QT prolonging drugCatecholamine, vasoconstrictorAllergic reaction, anaphylaxis, cardiac arrest PubMed search Epinephrine (Adrenaline))DrugBank search Epinephrine (Adrenaline)
EpirubicinEllence, Pharmorubicin, Epirubicin EbeweClassified as QT prolonging drugAnti-cancerCancer PubMed search Epirubicin)DrugBank search Epirubicin
Eribulin Classified as QT prolonging drug A microtubule inhibitor used to treat metastatic breast cancer and metastatic or unresectable liposarcoma.PubMed search Eribulin)DrugBank search Eribulin
Eribulin mesylateHalavenLow riskAnti-cancerCancer (breast, metastatic) PubMed search Eribulin mesylate)DrugBank search Eribulin mesylate
Erlotinib Classified as QT prolonging drug An EGFR tyrosine kinase inhibitor used to treat certain small cell lung cancers or advanced metastatic pancreatic cancers.PubMed search Erlotinib)DrugBank search Erlotinib
ErythromycinE.E.S., Robimycin, EMycin, Erymax, Ery-Tab, Eryc Ranbaxy, Erypar, Eryped, Erythrocin Stearate Filmtab, Erythrocot, E-Base, Erythroped, Ilosone, MY-E, Pediamycin, Abboticin, Abboticin-ES, Erycin, PCE Dispertab, Stiemycine, Acnasol, TilorythModerate riskAntibioticBacterial infection, increase GI motilityA macrolide antibiotic used to treat and prevent a variety of bacterial infections.PubMed search Erythromycin)DrugBank search Erythromycin
EscitalopramCipralex, Lexapro, Nexito, Anxiset-E, Exodus, Esto, Seroplex, Elicea, Lexamil, Lexam, Entact, Losita, Reposil, Animaxen, Esitalo, LexamilModerate riskAntidepressant, SSRIDepression (major), anxiety disordersA selective serotonin re-uptake inhibitor used in the treatment of major depressive disorder (MDD), generalized anxiety disorder (GAD), and other select psychiatric disorders such as obsessive-compulsive disorder (OCD).PubMed search Escitalopram)DrugBank search Escitalopram
EsomeprazoleNexium, Nexum, InexiumClassified as QT prolonging drugProton Pump InhibitorGastric hyperacidity, GERD PubMed search Esomeprazole)DrugBank search Esomeprazole
EtelcalcetideParsabivModerate riskCalcium sensing receptor agonistSecondary hyperparathyroidism PubMed search Etelcalcetide)DrugBank search Etelcalcetide
Ethosuximide Classified as QT prolonging drug An anticonvulsant used to treat petit mal seizures.PubMed search Ethosuximide)DrugBank search Ethosuximide
Ezogabine Classified as QT prolonging drug An antiepileptic agent used as an adjuvant treatment of partial-onset seizures.PubMed search Ezogabine)DrugBank search Ezogabine
Ezogabine (Retigabine)Potiga, TrobaltLow to moderate riskAnticonvulsantSeizures, Partial PubMed search Ezogabine (Retigabine))DrugBank search Ezogabine (Retigabine)
FamotidinePepcid, Fluxid, QuamatelClassified as QT prolonging drugH2-receptor antagonistGastric hyperacidity, GERDA histamine H2 receptor antagonist used to treat duodenal ulcers, benign gastric ulcers, GERD, and Zollinger-Ellison syndrome.PubMed search Famotidine)DrugBank search Famotidine
Famphur Classified as QT prolonging drug Not AnnotatedPubMed search Famphur)DrugBank search Famphur
Farnesyl diphosphate Classified as QT prolonging drug Not AvailablePubMed search Farnesyl diphosphate)DrugBank search Farnesyl diphosphate
Farnesyl thiopyrophosphate Classified as QT prolonging drug Not AvailablePubMed search Farnesyl thiopyrophosphate)DrugBank search Farnesyl thiopyrophosphate
FelbamateFelbatolClassified as QT prolonging drugAnticonvulsantSeizuresAn anticonvulsant used to treat severe epilepsy.PubMed search Felbamate)DrugBank search Felbamate
Fendiline Classified as QT prolonging drug Fendiline is a coronary vasodilator which inhibits calcium function in muscle cells in excitation-contraction coupling. It has been proposed as an antiarrhythmic and antianginal agent. Fendiline is non-selective.PubMed search Fendiline)DrugBank search Fendiline
FenfluramineFinteplaClassified as QT prolonging druganti convulsantSeizures PubMed search Fenfluramine)DrugBank search Fenfluramine
FenoterolBerotec, Berodual NClassified as QT prolonging drugbronchodilaterAsthma PubMed search Fenoterol)DrugBank search Fenoterol
Fenthion Classified as QT prolonging drug Fenthion is an organothiophosphate drug used as an insecticide, avicide, and acaricide. Its mode of action is explained by cholinesterase enzyme inhibition, which is similar to other organophosphates. Fenthion is...PubMed search Fenthion)DrugBank search Fenthion
FexinidazoleFexinidazoleModerate riskAntiparasiticAntiparasitic PubMed search Fexinidazole)DrugBank search Fexinidazole
FingolimodGilenyaLow to moderate riskSphingosine phospate receptor modulatorMultiple Sclerosis PubMed search Fingolimod)DrugBank search Fingolimod
FlecainideTambocor, Almarytm, Apocard, Ecrinal, FlécaineClassified as QT prolonging drugAntiarrhythmicArrhythmiaA class Ic antiarrhythmic agent used to manage atrial fibrillation and paroxysmal supraventricular tachycardias (PSVT).PubMed search Flecainide)DrugBank search Flecainide
Fleroxacin Classified as QT prolonging drug Fleroxacin is a broad-spectrum antimicrobial fluoroquinolone.PubMed search Fleroxacin)DrugBank search Fleroxacin
FloxuridineFloxuridineModerate riskAnti-cancerAnti-cancer PubMed search Floxuridine)DrugBank search Floxuridine
FluconazoleDiflucan, TricanModerate riskAntifungalFungal infectionA triazole antifungal used to treat various fungal infections including candidiasis.PubMed search Fluconazole)DrugBank search Fluconazole
Flumequine Classified as QT prolonging drug Flumequine is a synthetic chemotherapeutic antibiotic of the fluoroquinolone drug class used to treat bacterial infections.PubMed search Flumequine)DrugBank search Flumequine
Fluorouracil (5-FU)Adrucil, Carac, Efudex, EfudixModerate risk (systemic use)Anti-cancerCancer PubMed search Fluorouracil (5-FU))DrugBank search Fluorouracil (5-FU)
FluoxetineProzac, Sarafem, FontexLow to moderate riskAntidepressant, SSRIDepressionA selective serotonin reuptake inhibitor used to treat major depressive disorder, bulimia, OCD, premenstrual dysphoric disorder, panic disorder, and bipolar I.PubMed search Fluoxetine)DrugBank search Fluoxetine
FlupentixolDepixol, FluanxolModerate riskAntipsychoticSchizophreniaA thioxanthene neuroleptic used to treat schizophrenia and depression.PubMed search Flupentixol)DrugBank search Flupentixol
Fluspirilene Classified as QT prolonging drug An antipsychotic agent used in the treatment of schizophrenia.PubMed search Fluspirilene)DrugBank search Fluspirilene
Fluticasone And SalmeterolAdvair, SeretideLow riskBronchodilatorAsthma PubMed search Fluticasone And Salmeterol)DrugBank search Fluticasone And Salmeterol
FluvoxamineFaverin, Fevarin, Floxyfral, Dumyrox, LuvoxClassified as QT prolonging drugSelective Serotonin Reuptake InhibitorDepression, Obsessive Compulsive Disorder PubMed search Fluvoxamine)DrugBank search Fluvoxamine
FormoterolForadil, Foradile, Oxeze, Oxis, Atock, Atimos, Atimos Modulite, Perforomist, Dulera, Symbicort, Vannair, Quikhale FBLow riskBronchodilatorAsthmaAn inhaled long-acting beta2-adrenergic receptor agonist used as a bronchodilator in the management of asthma and COPD.PubMed search Formoterol)DrugBank search Formoterol
FoscarnetFoscavirModerate riskAntiviralHIV, CMV, HHVAn antiviral used to treat CMV, HIV, and HSV infections.PubMed search Foscarnet)DrugBank search Foscarnet
FostemsavirRukobiaLow to moderate riskAntiviralHIVAn antiretroviral HIV-1 attachment inhibitor targeted against the gp120 subunit within the HIV-1 gp160 envelope glycoprotein.PubMed search Fostemsavir)DrugBank search Fostemsavir
FurosemideLasix, Fusid, Frumex, LasilixClassified as QT prolonging drugDiureticHypertension, diuresis PubMed search Furosemide)DrugBank search Furosemide
Gadobenate (Gadobenic acid)MultihanceModerate riskMRI contrastMRI imaging (liver imaging) PubMed search Gadobenate (Gadobenic acid)+AND+(%22QT%22+OR+Torsad*))DrugBank search Gadobenate (Gadobenic acid)
Gadobenic acid Classified as QT prolonging drug A gadolinium compound used as a contrast agent in MRIs.PubMed search Gadobenic acid)DrugBank search Gadobenic acid
GalantamineReminyl, Nivalin, Razadyne-ER, LycoremineClassified as QT prolonging drugCholinesterase inhibitorDementia (Alzheimer's Disease)A cholinesterase inhibitor used to manage mild to moderate dementia associated with Alzheimer's Disease.PubMed search Galantamine)DrugBank search Galantamine
Gallopamil Classified as QT prolonging drug Gallopamil has been used in trials studying the treatment of Asthma.PubMed search Gallopamil)DrugBank search Gallopamil
GarenoxacinGeninaxClassified as QT prolonging drugAntibioticBacterial infectionInvestigated for use/treatment in bacterial infection.PubMed search Garenoxacin)DrugBank search Garenoxacin
GatifloxacinTequinClassified as QT prolonging drugAntibioticBacterial infectionA fourth generation fluoroquinolone used to treat a wide variety of infections in the body.PubMed search Gatifloxacin)DrugBank search Gatifloxacin
GemifloxacinFactiveModerate riskAntibioticBacterial infectionA quinolone antibacterial agent used for the treatment of acute bacterial exacerbation of chronic bronchitis and mild to moderate community-acquired pneumonia caused by susceptible bacteria.PubMed search Gemifloxacin)DrugBank search Gemifloxacin
Geranylgeranyl diphosphate Classified as QT prolonging drug Not AvailablePubMed search Geranylgeranyl diphosphate)DrugBank search Geranylgeranyl diphosphate
GilteritinibXospataModerate riskAntineoplasticCancer (Acute Myeloid Leukemia)An AXL receptor tyrosine kinase inhibitor used to treat relapsed or refractory acute myeloid leukemia.PubMed search Gilteritinib)DrugBank search Gilteritinib
Givinostat Classified as QT prolonging drug Givinostat has been used in trials studying the treatment of Polycythemia Vera, Juvenile Idiopathic Arthritis, Duchenne Muscular Dystrophy (DMD), Chronic Myeloproliferative Neoplasms, and Polyarticular Course Juvenile Idiopathic Arthritis.PubMed search Givinostat)DrugBank search Givinostat
GlasdegibDaurismoLow riskAnti-cancerCancer (Acute myeloid leukemia) PubMed search Glasdegib)DrugBank search Glasdegib
Goserelin Classified as QT prolonging drug A synthetic analog of luteinizing hormone-releasing hormone used to treat breast cancer and prostate cancer by reducing secretion of gonadotropins from the pituitary.PubMed search Goserelin)DrugBank search Goserelin
GranisetronKytril, Sancuso, GranisolLow to moderate riskAntiemeticNausea, vomitingA 5HT3 antagonist used to treat nausea and vomiting in cancer therapy and postoperatively.PubMed search Granisetron)DrugBank search Granisetron
GrepafloxacinRaxarClassified as QT prolonging drugAntibioticBacterial infectionA fluoroquinolone antibiotic used to treat various gram positive and gram negative bacterial infections.PubMed search Grepafloxacin)DrugBank search Grepafloxacin
HalofantrineHalfanModerate riskAntimalarialMalariaAn antimalarial used for the treatment of severe malaria.PubMed search Halofantrine)DrugBank search Halofantrine
HaloperidolHaldol, Aloperidin, Bioperidolo, Brotopon, Dozic, Duraperidol, Einalon S, Eukystol, Halosten, Keselan, Linton, Peluces, Serenace, Serenase, SigaperidolHigh risk with IV use. Moderate risk with PO use.AntipsychoticSchizophrenia, agitationAn antipsychotic agent used to treat schizophrenia and other psychoses, as well as symptoms of agitation, irritability, and delirium.PubMed search Haloperidol)DrugBank search Haloperidol
Histrelin Classified as QT prolonging drug A GnRH agonist found in subcutaneous implants used for the treatment of pediatric patients with central precocious puberty and the palliative treatment of advanced prostate cancer.PubMed search Histrelin)DrugBank search Histrelin
HydrochlorothiazideApo-Hydro, Aquazide H, BP Zide, Dichlotride, Hydrodiuril, HydroSaluric, Microzide, Esidrex, OreticClassified as QT prolonging drugDiureticHypertension, diuresis PubMed search Hydrochlorothiazide)DrugBank search Hydrochlorothiazide
Hydrocodone Bitartrate ERHysingla™ ER, Zohydro ERClassified as QT prolonging drugAnalgesicPain, severe PubMed search Hydrocodone Bitartrate ER)DrugBank search Hydrocodone Bitartrate ER
Hydroquinidine (Dihydroquinidine)SerecorHigh riskAntiarrhythmicArrhythmia PubMed search Hydroquinidine (Dihydroquinidine))DrugBank search Hydroquinidine (Dihydroquinidine)
HydroxychloroquinePlaquenil, QuineproxLow riskAntimalarial, Anti-inflammatoryMalaria, SLE, rheumatoid arthritisAn antimalarial medication used to treat uncomplicated cases of malaria and for chemoprophylaxis in specific regions. Also a disease modifying anti-rheumatic drug (DMARD) indicated for treatment of rheumatoid arthritis and lupus erythematosus.PubMed search Hydroxychloroquine)DrugBank search Hydroxychloroquine
HydroxyzineAtarax, Vistaril, Aterax, Alamon, Durrax, Equipose, Masmoran, Orgatrax, Paxistil Quiess, Tran-Q, TranquizineLow to moderate riskAntihistamineAnxiety disorders, allergic reactionsAn antihistamine used to treat anxiety and tension associated with psychoneuroses, as well as allergic conditions such as pruritus and chronic urticaria.PubMed search Hydroxyzine)DrugBank search Hydroxyzine
Hyoscyamine Classified as QT prolonging drug An anticholinergic indicated to treat functional gastrointestinal disorders, biliary and renal colic, and acute rhinitis.PubMed search Hyoscyamine)DrugBank search Hyoscyamine
Ibandronate Classified as QT prolonging drug A bisphosphonate used to treat osteoporosis in postmenopausal women.PubMed search Ibandronate)DrugBank search Ibandronate
IbogaineIbogaineClassified as QT prolonging drugPsychedelicNarcotic dependence, unproven efficacy PubMed search Ibogaine)DrugBank search Ibogaine
IbutilideCorvertClassified as QT prolonging drugAntiarrhythmicArrhythmiaA class III antiarrhythmic agent used to correct atrial fibrillation and atrial flutter, which can be considered as an alternative to cardioversion.PubMed search Ibutilide)DrugBank search Ibutilide
IloperidoneFanapt, Fanapta, ZomarilLow to moderate riskAntipsychotic, atypicalSchizophreniaAn atypical antipsychotic agent used for the acute treatment of schizophrenia in adults.PubMed search Iloperidone)DrugBank search Iloperidone
ImatinibGleevec, GlivecClassified as QT prolonging drugAnti-cancerCancer (Acute myeloid leukemia)A tyrosine kinase inhibitor used to treat a number of leukemias, myelodysplastic/myeloproliferative disease, systemic mastocytosis, hypereosinophilic syndrome, dermatofibrosarcoma protuberans, and gastrointestinal stromal tumors.PubMed search Imatinib)DrugBank search Imatinib
Imipramine Classified as QT prolonging drug A tricyclic antidepressant indicated for the treatment of depression and to reduce childhood enuresis.PubMed search Imipramine)DrugBank search Imipramine
Imipramine (Melipramine)TofranilModerate riskAntidepressant, TricyclicDepression PubMed search Imipramine (Melipramine))DrugBank search Imipramine (Melipramine)
IndacaterolArcapta Neohaler, Onbrez Breezhaler, UtibronLow riskBronchodilatorAsthma, COPDAn inhaled long-acting beta-2 adrenergic agonist used to relax bronchial smooth muscle and improve symptoms and airflow obstruction caused by Chronic Obstructive Pulmonary Disease (COPD) and moderate to severe asthma.PubMed search Indacaterol)DrugBank search Indacaterol
IndapamideLozol, Natrilix, InsigClassified as QT prolonging drugDiureticHypertension, diuresisA thiazide diuretic used to treat hypertension as well as edema due to congestive heart failure.PubMed search Indapamide)DrugBank search Indapamide
Indenolol Classified as QT prolonging drug Indenolol is a drug of the beta-adrenergic blocker class.PubMed search Indenolol)DrugBank search Indenolol
Inotersen Classified as QT prolonging drug An antisense oligonucleotide used to treat polyneuropathy of hereditary transthyretin-mediated amyloidosis.PubMed search Inotersen)DrugBank search Inotersen
Inotuzumab ozogamicinBesponsaModerate riskAnti-cancerCancer (acute lymphocytic leukemia} PubMed search Inotuzumab ozogamicin)DrugBank search Inotuzumab ozogamicin
Isoflurane Classified as QT prolonging drug An inhaled general anesthetic used in surgery.PubMed search Isoflurane)DrugBank search Isoflurane
Isoproterenol (isoprenaline)Medihaler-Iso, IsuprelClassified as QT prolonging drugBronchodilatorAllergic reaction PubMed search Isoproterenol (isoprenaline))DrugBank search Isoproterenol (isoprenaline)
IsradipineDynacircClassified as QT prolonging drugAntihypertensiveHypertensionA dihydropyridine calcium channel blocker used for the treatment of hypertension.PubMed search Isradipine)DrugBank search Isradipine
ItraconazoleSporanox, OnmelLow to moderate riskAntifungalFungal infectionAn antifungal agent used for the treatment of various fungal infections in immunocompromised and non-immunocompromised patients, such as pulmonary and extrapulmonary blastomycosis, histoplasmosis, and onychomycosis.PubMed search Itraconazole)DrugBank search Itraconazole
IvabradineProcoralan, Coralan, Corlentor, Coraxan, Ivabid, BradiaClassified as QT prolonging drugAntianginalAngina Pectoris (heart pain) PubMed search Ivabradine)DrugBank search Ivabradine
IvosidenibTibsovoHigh riskIDH1 inhibitorCancer (Acute myeloid leukemia)An isocitrate dehydrogenase-1 inhibitor used to treat acute myeloid leukemia and cholangiocarcinoma in adults with a susceptible IDH1 mutation.PubMed search Ivosidenib)DrugBank search Ivosidenib
KetanserinSufrexalClassified as QT prolonging drugAntihypertensiveHypertension PubMed search Ketanserin)DrugBank search Ketanserin
KetoconazoleNizoral, Sebizole, Ketomed, KetonLow to moderate riskAntifungalFungal infectionA broad spectrum antifungal used to treat seborrheic dermatitis and fungal skin infections.PubMed search Ketoconazole)DrugBank search Ketoconazole
LacidipineLacidipineClassified as QT prolonging drug PubMed search Lacidipine)DrugBank search Lacidipine
LansoprazolePrevacid, OgastClassified as QT prolonging drugProton Pump InhibitorGastric hyperacidity, GERD PubMed search Lansoprazole)DrugBank search Lansoprazole
LapatinibTykerb, TyverbLow riskAnti-cancerCancer (breast, metastatic)An antineoplastic agent and tyrosine kinase inhibitor used for the treatment of advanced or metastatic HER-negative breast cancer in patients who received prior chemotherapeutic treatments.PubMed search Lapatinib)DrugBank search Lapatinib
LefamulinXenletaClassified as QT prolonging drugAntibioticCommunity acquired pneumonia PubMed search Lefamulin)DrugBank search Lefamulin
LenvatinibLenvimaHigh riskAnti-cancerCancer (Thyroid)A receptor tyrosine kinase inhibitor used for the treatment of metastatic thyroid cancer, advanced renal cell carcinoma in combination with everolimus, and unresectable hepatocellular carcinoma.PubMed search Lenvatinib)DrugBank search Lenvatinib
Leuprolide Classified as QT prolonging drug A peptide-based GnRH receptor superagonist used for the palliative treatment of prostate cancer, uterine leiomyomata, endometriosis, and central precocious puberty.PubMed search Leuprolide)DrugBank search Leuprolide
Leuprolide / LeuprorelinLupron, Eligard, Viadur, Carcinil, Enanton, Leuplin, Lucrin, Procren, ProstapClassified as QT prolonging drugAnti-androgenCancer (prostate) PubMed search Leuprolide / Leuprorelin)DrugBank search Leuprolide / Leuprorelin
Levacetylmethadol Classified as QT prolonging drug For the treatment and management of opiate dependence. It is sometimes used to treat severe pain in terminal patients.PubMed search Levacetylmethadol)DrugBank search Levacetylmethadol
Levalbuterol (Levsalbutamol)Xopenex, Levolin, AxazestLow riskBronchodilatorAsthma PubMed search Levalbuterol (Levsalbutamol))DrugBank search Levalbuterol (Levsalbutamol)
LevetiracetamKeppraClassified as QT prolonging drugAnti-seizureEpilepsy PubMed search Levetiracetam)DrugBank search Levetiracetam
Levocetirizine Classified as QT prolonging drug An H1-receptor antagonist used to treat symptoms associated with chronic allergic rhinitis and uncomplicated cases of chronic idiopathic urticaria.PubMed search Levocetirizine)DrugBank search Levocetirizine
LevofloxacinLevaquin, TavanicModerate riskAntibioticBacterial infectionA fluoroquinolone antibiotic used to treat infections caused by susceptible bacteria of the upper respiratory tract, skin and skin structures, urinary tract, and prostate, as well as for post-exposure treatment of inhaled anthrax and the plague.PubMed search Levofloxacin)DrugBank search Levofloxacin
LevoketoconazoleRecorlevHigh riskCYP450 inhibitorCushing's diseaseOne of two enantiomeric forms of racemic ketoconazole that strongly inhibits multiple steroidogenic enzymes and is used for the symptomatic treatment of endogenous Cushing's syndrome.PubMed search Levoketoconazole)DrugBank search Levoketoconazole
Levomenthol Classified as QT prolonging drug An organic compound used to treat mild to moderate muscle and joint pain.PubMed search Levomenthol)DrugBank search Levomenthol
Levomepromazine (Methotrimeprazine)Nosinan, Nozinan, LevopromeClassified as QT prolonging drugAntipsychoticSchizophrenia PubMed search Levomepromazine (Methotrimeprazine))DrugBank search Levomepromazine (Methotrimeprazine)
LevomethadoneLevomethadoneClassified as QT prolonging drugOpioidOpiate withdrawal syndrome PubMed search Levomethadone+AND+(%22QT%22+OR+Torsad*))DrugBank search Levomethadone
Levomethadyl acetateOrlaamClassified as QT prolonging drugOpioid agonistNarcotic dependence PubMed search Levomethadyl acetate)DrugBank search Levomethadyl acetate
Levomethamphetamine (Levmetamfetamine)Sinu Inhaler, Vapor InhalerClassified as QT prolonging drugSympathomimeticSinus Congestion PubMed search Levomethamphetamine (Levmetamfetamine))
LevosulpirideLesuride, Levazeo, EnlivaClassified as QT prolonging drugAntipsychoticSchizophrenia PubMed search Levosulpiride)DrugBank search Levosulpiride
Lidoflazine Classified as QT prolonging drug Not AnnotatedPubMed search Lidoflazine)DrugBank search Lidoflazine
LisdexamfetamineVyvanseClassified as QT prolonging drugCNS stimulantADHD PubMed search Lisdexamfetamine)DrugBank search Lisdexamfetamine
LithiumEskalith, LithobidClassified as QT prolonging drugAntimanicBipolar disorder PubMed search Lithium)DrugBank search Lithium
Lithium cation Classified as QT prolonging drug A drug used for the management of bipolar disorder and other psychiatric conditions.PubMed search Lithium cation)DrugBank search Lithium cation
Lithium citrate Classified as QT prolonging drug Lithium is used as a mood stabilizer, and is used for treatment of depression and mania. It is often used in bipolar disorder treatment.PubMed search Lithium citrate)DrugBank search Lithium citrate
LofexidineLucemyraModerate riskAlpha-2-adrenergic agonist, centralOpioid withdrawal syndrome PubMed search Lofexidine)DrugBank search Lofexidine
Lomefloxacin Classified as QT prolonging drug A fluoroquinolone used to prevent and treat a wide variety of infections in the body.PubMed search Lomefloxacin)DrugBank search Lomefloxacin
LoperamideImodiumRisk if overdosedOpioid agonistDiarrhea PubMed search Loperamide)DrugBank search Loperamide
Lopinavir Classified as QT prolonging drug An HIV-1 protease inhibitor used in combination with ritonavir to treat human immunodeficiency virus (HIV) infection.PubMed search Lopinavir)DrugBank search Lopinavir
Lopinavir/RitonavirKaletra, AluviaLow to moderate riskAntiviralHIV/AIDS PubMed search Lopinavir/Ritonavir)DrugBank search Lopinavir/Ritonavir
Lorajmine Classified as QT prolonging drug Not AnnotatedPubMed search Lorajmine)DrugBank search Lorajmine
Lorcainide Classified as QT prolonging drug Not AnnotatedPubMed search Lorcainide)DrugBank search Lorcainide
Losartan Classified as QT prolonging drug An angiotensin receptor blocker used to treat hypertension and diabetic nephropathy, and is used to reduce the risk of stroke.PubMed search Losartan)DrugBank search Losartan
LumateperoneCaplytaClassified as QT prolonging drugAntipsychotic, atypicalSchizophrenia PubMed search Lumateperone)DrugBank search Lumateperone
Lumefantrine Classified as QT prolonging drug An antimalarial agent used in combination with artemether for the treatment of acute uncomplicated malaria caused by Plasmodium falciparum.PubMed search Lumefantrine)DrugBank search Lumefantrine
LurasidoneLatudaClassified as QT prolonging drugAntipsychotic, atypicalSchizophrenia, biopolar disorder and othersAn atypical antipsychotic used to treat schizophrenia and depressive episodes associated with bipolar I disorder.PubMed search Lurasidone)DrugBank search Lurasidone
MaprotilineLudiomilClassified as QT prolonging drugAnti-depressant, TetracyclicDepressionA tetracyclic antidepressant used to treat depressive illness, major depressive disorder, bipolar disorder, and anxiety associated with depression.PubMed search Maprotiline)DrugBank search Maprotiline
Mefloquine Classified as QT prolonging drug An antimalarial agent used in the prophylaxis and treatment of malaria caused by Plasmodium falciparum and Plasmodium vivax.PubMed search Mefloquine)DrugBank search Mefloquine
Meglumine antimoniateGlucantimeModerate riskAntiparasiticLeishmaniasis PubMed search Meglumine antimoniate)DrugBank search Meglumine antimoniate
MelperoneBunil, Buronil, EunerpanClassified as QT prolonging drugAntipsychotic, atypicalSchizophreniaAn atypical butyrophenone antipsychotic used to treat sleep disorders, confusion, and psychomotor dysfunction associated with geriatric, psychiatric, and alcohol-dependent patients.PubMed search Melperone)DrugBank search Melperone
Mepyramine Classified as QT prolonging drug An antihistamine agent used for the symptomatic treatment of allergy, hypersensitivity reactions, and pruritic skin disorders.PubMed search Mepyramine)DrugBank search Mepyramine
Mequitazine Classified as QT prolonging drug For the treatment of Hay fever, urticaria (hives) and allergic rhinitisPubMed search Mequitazine)DrugBank search Mequitazine
MesoridazineSerentilClassified as QT prolonging drugAntipsychoticSchizophreniaA phenothiazine antipsychotic used to treat schizophrenia, organic brain disorders, alcoholism, and psychoneuroses.PubMed search Mesoridazine)DrugBank search Mesoridazine
Metaproterenol (Orciprenaline)Metaprel, AlupentClassified as QT prolonging drugBronchodilatorAsthma PubMed search Metaproterenol (Orciprenaline))DrugBank search Metaproterenol (Orciprenaline)
MethadoneDolophine, Symoron, Amidone, Methadose, Physeptone, HeptadonHigh riskOpioid agonistNarcotic dependence, painAn opioid analgesic indicated for management of severe pain that is not responsive to alternative treatments. Also used to aid in detoxification and maintenance treatment of opioid addiction.PubMed search Methadone)DrugBank search Methadone
Methamphetamine (Metamfetamine)Desoxyn, Pervitin, Anadrex, Methedrine, SyndroxClassified as QT prolonging drugCNS stimulantObesity, ADHD PubMed search Methamphetamine (Metamfetamine))DrugBank search Methamphetamine (Metamfetamine)
Methotrimeprazine Classified as QT prolonging drug A phenothiazine used in the management of psychosis, particular those of schizophrenia, and manic phases of bipolar disorder.PubMed search Methotrimeprazine)DrugBank search Methotrimeprazine
MethylphenidateRitalin, Concerta, Focalin, Daytrana, Methylin, Metadate CDClassified as QT prolonging drugCNS stimulantADHD PubMed search Methylphenidate)DrugBank search Methylphenidate
MetoclopramideReglan, Gimoti, Afipran, Maxolon, Cerucal, Clopamon, Clopra, Maxeran, Maxolon, Metozolv, Plasil, Pramin, Primperan, PerinormLow to moderate riskAntiemeticNausea, vomitingAn antiemetic agent and dopamine D2 antagonist used in the treatment of gastroesophageal reflux disease, prevention of nausea and vomiting, and to stimulate gastric emptying.PubMed search Metoclopramide)DrugBank search Metoclopramide
MetolazoneZytanix, Zaroxolyn, MykroxClassified as QT prolonging drugDiureticHypertension, diuresis PubMed search Metolazone)DrugBank search Metolazone
MetronidazoleFlagyl, HelidacLow to moderate riskAntibioticTrichomoniasis, amebiasis, bacterial infectionA nitroimidazole used to treat trichomoniasis, amebiasis, inflammatory lesions of rosacea, and bacterial infections, as well as prevent postoperative infections.PubMed search Metronidazole)DrugBank search Metronidazole
MianserinTolvonClassified as QT prolonging drugAnti-depressantDepression PubMed search Mianserin)DrugBank search Mianserin
Mibefradil Classified as QT prolonging drug For the treatment of angina and high blood pressure.PubMed search Mibefradil)DrugBank search Mibefradil
MidodrineProAmatine, Amatine, GutronClassified as QT prolonging drugVasoconstrictorHypotension PubMed search Midodrine)DrugBank search Midodrine
MidostaurinRydaptModerate riskAnti-cancerCancer (Acute myeloid leukemia) PubMed search Midostaurin)DrugBank search Midostaurin
MifepristoneKorlym, MifeprexLow to moderate riskProgesterone antagonistPregnancy terminationA cortisol receptor blocker used to treat Cushing's syndrome, and to terminate pregnancies up to 70 days gestation.PubMed search Mifepristone)DrugBank search Mifepristone
MirabegronMyrbetriqClassified as QT prolonging drugBeta3 adrenergic antagonistBladder spasmA beta-3 adrenergic agonist used to treat overactive bladder and neurogenic detrusor overactivity.PubMed search Mirabegron)DrugBank search Mirabegron
MirtazapineRemeronLow riskAntidepressant, TetracyclicDepressionA tetracyclic antidepressant used in the treatment of major depression and is used off-label as a drug for insomnia and to increase appetite.PubMed search Mirtazapine)DrugBank search Mirtazapine
MobocertinibExkivityHigh riskTyrosine kinase inhibitorCancer (Lung)An oral kinase inhibitor targeted against EGFR and used in the treatment of NSCLC with EGFR exon 20 insertion mutations.PubMed search Mobocertinib)DrugBank search Mobocertinib
Mocetinostat Classified as QT prolonging drug Mocetinostat has been used in trials studying the treatment of Lymphoma, Urothelial Carcinoma, Relapsed and Refractory, Myelodysplastic Syndrome, and Metastatic Leiomyosarcoma, among others.PubMed search Mocetinostat)DrugBank search Mocetinostat
Moexipril Classified as QT prolonging drug An angiotensin converting enzyme inhibitor prodrug used to treat hypertension.PubMed search Moexipril)DrugBank search Moexipril
Moricizine Classified as QT prolonging drug An antiarrhythmic used to treat arrhythmias.PubMed search Moricizine)DrugBank search Moricizine
MoxifloxacinAvelox, Avalox, AvelonModerate riskAntibioticBacterial infectionA fluoroquinolone antibiotic used to treat various bacterial infections.PubMed search Moxifloxacin)DrugBank search Moxifloxacin
NecitumumabPortrazzaClassified as QT prolonging druganti-cancerCancer (Lung) PubMed search Necitumumab)DrugBank search Necitumumab
NelfinavirViraceptClassified as QT prolonging drugAntiviralViral infection (HIV/AIDS)A viral protease inhibitor used in the treatment of HIV infection.PubMed search Nelfinavir)DrugBank search Nelfinavir
Nemonoxacin Classified as QT prolonging drug Investigated for use/treatment in bacterial infection and pneumonia.PubMed search Nemonoxacin)DrugBank search Nemonoxacin
NicardipineCardeneClassified as QT prolonging drugAntihypertensiveHypertensionA calcium channel blocker used for the short-term treatment of hypertension and chronic stable angina.PubMed search Nicardipine)DrugBank search Nicardipine
NifekalantShinbitClassified as QT prolonging drugAntiarrhythmicArrhythmia PubMed search Nifekalant)DrugBank search Nifekalant
Niguldipine Classified as QT prolonging drug Niguldipine is a calcium channel blocker drug (CCB) with a1-adrenergic antagonist properties.PubMed search Niguldipine)DrugBank search Niguldipine
NilotinibTasignaModerate riskAnti-cancerCancer (leukemia)A kinase inhibitor used for the chronic phase treatment of Chronic Myeloid Leukemia (CML) that is Philadelphia chromosome positive and for the treatment of CML that is resistant to therapy containing imatinib.PubMed search Nilotinib)DrugBank search Nilotinib
Nizofenone Classified as QT prolonging drug Not AnnotatedPubMed search Nizofenone)DrugBank search Nizofenone
NorepinephrineLevophedClassified as QT prolonging drugVasconstrictor, InotropeHeart failure, shock (low blood pressure) PubMed search Norepinephrine)DrugBank search Norepinephrine
NorfloxacinNoroxin, AmbigramLow to moderate riskAntibioticBacterial infectionA broad-spectrum fluoroquinolone antibiotic with variable activity against gram-positive and gram-negative bacteria. Typically reserved for the treatment of UTIs due to accumulation in the urine.PubMed search Norfloxacin)DrugBank search Norfloxacin
NortriptylinePamelor, Sensoval, Aventyl, Norpress, Allegron, Noritren, NortrilenClassified as QT prolonging drugAntidepressant, TricyclicDepressionA tricyclic antidepressant used in the treatment of depression.PubMed search Nortriptyline)DrugBank search Nortriptyline
NusinersenSpinrazaClassified as QT prolonging drugAntisense oligonucleotideSpinal Muscular Atrophy PubMed search Nusinersen)DrugBank search Nusinersen
Octreotide Classified as QT prolonging drug A peptide drug used to treat acromegaly as well as diarrhea associated with metastatic carcinoid tumors and vasoactive intestinal peptide secreting tumors.PubMed search Octreotide)DrugBank search Octreotide
OfloxacinFloxinLow to moderate riskAntibioticBacterial infectionAn antibacterial agent used for the treatment of bacterial infections in many parts of the body, including the respiratory tract, kidney, skin, soft tissue, and urinary tract.PubMed search Ofloxacin)DrugBank search Ofloxacin
OlanzapineZyprexa, Zydis, RelprevvModerate riskAntipsychotic, atypicalSchizophrenia, bipolar disorderAn antipsychotic drug used in the management of schizophrenia, bipolar 1 disorder, and agitation associated with these disorders.PubMed search Olanzapine)DrugBank search Olanzapine
OliceridineOlinvykClassified as QT prolonging druganalgesiapain PubMed search Oliceridine)DrugBank search Oliceridine
OlodaterolStriverdi RespimatLow riskBronchodilatorAsthmaA long-acting beta2-adrenergic agonist used in the management of chronic obstructive pulmonary disease (COPD), including chronic bronchitis and/or emphysema.PubMed search Olodaterol)DrugBank search Olodaterol
OmeprazoleLosec, Prilosec, Zegerid, MopralClassified as QT prolonging drugProton Pump InhibitorGastric hyperacidity, GERD PubMed search Omeprazole)DrugBank search Omeprazole
OndansetronZofran, Anset, Ondemet, Zuplenz, Emetron, Ondavell, Emeset, Ondisolv, SetronaxModerate risk with IV use. Low risk with PO use.AntiemeticNausea, vomitingA serotonin 5-HT3 receptor antagonist used to prevent nausea and vomiting in cancer chemotherapy and postoperatively.PubMed search Ondansetron)DrugBank search Ondansetron
Orbifloxacin Classified as QT prolonging drug Orbifloxacin is a fluoroquinolone antibiotic. It is marketed by Schering-Plough Animal Health and approved for certain infections in dogs.PubMed search Orbifloxacin)DrugBank search Orbifloxacin
OsilodrostatIsturisaClassified as QT prolonging drugAldosterone synthase inhibitorCushing's Disease PubMed search Osilodrostat)DrugBank search Osilodrostat
OsimertinibTagrissoModerate riskAnti-cancerCancer (EGFR pos. NSC Lung cancer) PubMed search Osimertinib)DrugBank search Osimertinib
OxaliplatinEloxatinLow riskAnti-cancerCancerA platinum based chemotherapy agent used to treat carcinoma of the colon or rectum or stage III colon cancer.PubMed search Oxaliplatin)DrugBank search Oxaliplatin
Oxatomide Classified as QT prolonging drug An antihistamine indicated in the treatment and prevention of allergic symptoms.PubMed search Oxatomide)DrugBank search Oxatomide
Oxolinic acid Classified as QT prolonging drug Not AnnotatedPubMed search Oxolinic acid)DrugBank search Oxolinic acid
OxymetazolineAfrin, Otrivin, Vicks Sinex, ZicamClassified as QT prolonging drugDecongestantAllergic rhinitis PubMed search Oxymetazoline+AND+(%22QT%22+OR+Torsad*))DrugBank search Oxymetazoline
OxytocinPitocin, SyntocinonModerate riskOxytocicLabor stimulationA recombinant hormone used to induce or strengthen uterine contractions in pregnant women to aid in labor and delivery or to control postpartum bleeding.PubMed search Oxytocin)DrugBank search Oxytocin
OzanimodZeposiaLow to moderate riskImmunomodulationMultiple Sclerosis PubMed search Ozanimod)DrugBank search Ozanimod
PacritinibVonjoLow riskKinase (JAK2) inhibitorMyelofibrosis PubMed search Pacritinib)DrugBank search Pacritinib
PaliperidoneInvega, XepilonLow to moderate riskAntipsychotic, atypicalSchizophreniaAn atypical antipsychotic used in the treatment of schizophrenia and other schizoaffective or delusional disorders.PubMed search Paliperidone)DrugBank search Paliperidone
PalonosetronAloxiClassified as QT prolonging drugAntiemeticNausea, vomiting PubMed search Palonosetron)DrugBank search Palonosetron
PanobinostatFarydakLow riskHistone deacetylase inhibitorCancer, Multiple myelomaA non-selective histone deacetylase inhibitor used to treat multiple myeloma in combination with other antineoplastic agents.PubMed search Panobinostat)DrugBank search Panobinostat
PantoprazoleProtonix, Inipomp, EupantolClassified as QT prolonging drugProton Pump InhibitorGastric hyperacidity, GERD PubMed search Pantoprazole)DrugBank search Pantoprazole
PapaverinePapaverineHigh risk (intracoronary administration)Vasodilator, CoronaryDiagnostic adjunctAn alkaloid used to treat many types of smooth muscle spasms such as "vascular spasms" associated with acute myocardial infarction and angina pectoris, as well as "visceral spasms".PubMed search Papaverine)DrugBank search Papaverine
ParoxetinePaxil, Aropax, Pexeva, Seroxat, Sereupin, Seroxat, DeroxatClassified as QT prolonging drugAntidepressant, SSRIDepression PubMed search Paroxetine)DrugBank search Paroxetine
PasireotideSigniforLow to moderate riskSomatostatin analogCushing's DiseaseA somatostatin analog used in the treatment of Cushing’s disease, specifically for those patients whom pituitary surgery is not appropriate.PubMed search Pasireotide)DrugBank search Pasireotide
PazopanibVotrientModerate riskAnti-cancerCancer (renal cell, sarcoma)An antineoplastic agent used in the treatment of advanced renal cell cancer and advanced soft tissue sarcoma in patients with prior chemotherapy.PubMed search Pazopanib)DrugBank search Pazopanib
Pazufloxacin Classified as QT prolonging drug Pazufloxacin is under investigation in clinical trial NCT02592096 (Pazufloxacin Mesilate Ear Drops Clinical Trial Protocol).PubMed search Pazufloxacin)DrugBank search Pazufloxacin
Pefloxacin Classified as QT prolonging drug An antibiotic used to treat a variety of bacterial infections.PubMed search Pefloxacin)DrugBank search Pefloxacin
Penfluridol Classified as QT prolonging drug Not AnnotatedPubMed search Penfluridol)DrugBank search Penfluridol
PentamidinePentamModerate riskAntifungalFungal infection (Pneumocystis pneumonia)An antifungal agent used to treat Pneumocystis pneumonia in patients infected with HIV.PubMed search Pentamidine)DrugBank search Pentamidine
Perflutren Classified as QT prolonging drug A diagnostic medication to improve contrast during echocardiograms.PubMed search Perflutren)DrugBank search Perflutren
Perflutren lipid microspheresDefinity, OptisonClassified as QT prolonging drugImaging contrast agentDiagnostic adjunct PubMed search Perflutren lipid microspheres)DrugBank search Perflutren lipid microspheres
Perhexiline Classified as QT prolonging drug For the management of severe angina pectoris.PubMed search Perhexiline)DrugBank search Perhexiline
PericiazinePericiazineLow to moderate riskAntipsychotic, atypicalSchizophrenia PubMed search Periciazine)DrugBank search Periciazine
PerphenazineTrilafon, Etrafon/Triavil, DecentanClassified as QT prolonging drugAntipsychoticSchizophrenia PubMed search Perphenazine)DrugBank search Perphenazine
PhendimetrazineBontril, Adipost, Anorex, Plegine, Appecon, Melfiat, Obezine, Phendiet, Prelu-2, StatobexClassified as QT prolonging drug Obesity PubMed search Phendimetrazine)DrugBank search Phendimetrazine
Pheniramine Classified as QT prolonging drug An antihistamine used to treat allergic rhinitis and pruritus.PubMed search Pheniramine)DrugBank search Pheniramine
PhentermineAdipex P, Adiphene, Anoxine-AM, Ionamin, Duromine, Metermine, Miraprontv, Obephen, Obermine, Obestin-30, Phentremine, Phentrol, Phenterex, Phentromin, Pro-Fast SA, Redusa, Panbesy, Obenix, Oby-Trim, Teramine, Zantryl, Sinpet, Supremin, Suprenza, Umine, WeltmineClassified as QT prolonging drugAppetite suppressantObesity PubMed search Phentermine)DrugBank search Phentermine
PhenylephrineNeosynephrineClassified as QT prolonging drugVasoconstrictorShock (low blood pressure), allergic rhinitis, asthma PubMed search Phenylephrine)DrugBank search Phenylephrine
PhenylpropanolamineAcutrim, DexatrimClassified as QT prolonging drugAppetite suppressantObesity PubMed search Phenylpropanolamine)DrugBank search Phenylpropanolamine
Phosmet Classified as QT prolonging drug Phosmet is a phthalimide-derived organophosphate. It is a non-specific insecticide. It is mainly used on apple trees to control codling moths. It is also used on other fruit crops, ornamentals,...PubMed search Phosmet)DrugBank search Phosmet
PilsicainideSunrythmClassified as QT prolonging drugAnti-arrhythmicArrhythmiaPilsicainide has been investigated for the treatment of Paroxysmal Atrial Fibrillation.PubMed search Pilsicainide)DrugBank search Pilsicainide
PimavanserinNuplazidLow to moderate riskAntipsychotic, atypicalPsychosis, Parkinson's Disease PubMed search Pimavanserin)DrugBank search Pimavanserin
PimozideOrapModerate riskAntipsychoticPsychosis, Tourette's DisorderAn antipsychotic used to manage debilitating motor and phonic tics in patients with Tourette's Disorder.PubMed search Pimozide)DrugBank search Pimozide
PipamperoneDipiperon, Propitan, Dipiperal, Piperonil, PiperonylClassified as QT prolonging drugAntipsychoticSchizophrenia PubMed search Pipamperone)DrugBank search Pipamperone
Piperacillin / TazobactamTazosyn, Zosyn, PipTazClassified as QT prolonging drugAntibioticBacterial infection PubMed search Piperacillin / Tazobactam)DrugBank search Piperacillin / Tazobactam
Piromidic acid Classified as QT prolonging drug Not AnnotatedPubMed search Piromidic acid)DrugBank search Piromidic acid
Pitolisant Classified as QT prolonging drug An antagonist and inverse agonist at the histamine H3 receptor that is used to treat narcolepsy in adults.PubMed search Pitolisant)DrugBank search Pitolisant
Pitolisant (Tiprolisant)WakixClassified as QT prolonging drugHistamine 3 antagonist/inverse agonistNarcolepsy PubMed search Pitolisant (Tiprolisant))DrugBank search Pitolisant (Tiprolisant)
PonesimodPonvoryLow to moderate riskSphingosine 1-phosphate receptor modulatorMultiple Sclerosis PubMed search Ponesimod)DrugBank search Ponesimod
PosaconazoleNoxafil, PosamolClassified as QT prolonging drugAntifungalFungal infectionA triazole antifungal drug that is used to treat invasive infections by Candida species and Aspergillus species in severely immunocompromised patients.PubMed search Posaconazole)DrugBank search Posaconazole
Pracinostat Classified as QT prolonging drug For the treatment of various forms of cancer.PubMed search Pracinostat)DrugBank search Pracinostat
Prajmaline Classified as QT prolonging drug Not AnnotatedPubMed search Prajmaline)DrugBank search Prajmaline
Pregabalin Classified as QT prolonging drug An anticonvulsant drug used to treat neuropathic pain conditions and fibromyalgia, and for the treatment of partial onset seizures in combination with other anticonvulsants.PubMed search Pregabalin)DrugBank search Pregabalin
Prenylamine Classified as QT prolonging drug Prenylamine was withdrawn from the Canadian, US, and UK markets in 1988 due to concerns regarding cardiac arrhythmias.PubMed search Prenylamine)DrugBank search Prenylamine
PretomanidPretomanidClassified as QT prolonging drugAntitubercularTuberculosis, extensively drug resistant PubMed search Pretomanid)DrugBank search Pretomanid
Primaquine Classified as QT prolonging drug An antimalarial indicated to prevent relapse of vivax malaria.PubMed search Primaquine)DrugBank search Primaquine
Primaquine phosphateNeo-Quipenyl, PrimachinClassified as QT prolonging drugAntimalarialMalaria PubMed search Primaquine phosphate)DrugBank search Primaquine phosphate
ProbucolLorelcoModerate riskAntilipemicHypercholesterolemiaUsed to lower LDL and HDL cholesterol.PubMed search Probucol)DrugBank search Probucol
ProcainamidePronestyl, ProcanClassified as QT prolonging drugAntiarrhythmicArrhythmiaA medication used to treat life threatening ventricular arrhythmias.PubMed search Procainamide)DrugBank search Procainamide
Promazine Classified as QT prolonging drug A phenothiazine used to manage schizophrenia.PubMed search Promazine)DrugBank search Promazine
PromethazinePhenerganClassified as QT prolonging drugAntipsychotic / AntiemeticNausea, vomitingA first-generation antihistamine used for the treatment of allergic conditions, nausea and vomiting, and motion sickness.PubMed search Promethazine)DrugBank search Promethazine
PropafenoneRythmol SR, RytmonormClassified as QT prolonging drugSodium channel blockerArrhythmiaA Class 1C antiarrhythmic agent used in the management of paroxysmal atrial fibrillation/flutter and ventricular arrhythmias.PubMed search Propafenone)DrugBank search Propafenone
PropofolDiprivan, PropovenModerate riskAnesthetic, generalAnesthesiaA medication used in general anesthesia and for sedation.PubMed search Propofol)DrugBank search Propofol
ProthipendylDominal, Largophren, Timoval, Timovan, TumovanClassified as QT prolonging drugAntipsychoticSchizophrenia PubMed search Prothipendyl)DrugBank search Prothipendyl
Protriptyline Classified as QT prolonging drug A tricyclic antidepressant that is indicated in the treatment of depression only under close clinical supervision.PubMed search Protriptyline)DrugBank search Protriptyline
PseudoephedrinePediaCare, SudafedClassified as QT prolonging drugDecongestantAllergic reaction, allergic rhinitis, asthma PubMed search Pseudoephedrine)DrugBank search Pseudoephedrine
QuetiapineSeroquelModerate riskAntipsychotic, atypicalSchizophreniaA psychotropic agent used for the management of bipolar disorder, schizophrenia, and major depressive disorder.PubMed search Quetiapine)DrugBank search Quetiapine
QuinidineQuinaglute, Duraquin, Quinact, Quinidex, Cin-Quin, QuinoraHigh riskAntiarrhythmicArrhythmiaA medication used to restore normal sinus rhythm, treat atrial fibrillation and flutter, and treat ventricular arrhythmias.PubMed search Quinidine)DrugBank search Quinidine
Quinine Classified as QT prolonging drug An alkaloid used to treat uncomplicated Plasmodium falciparum malaria.PubMed search Quinine)DrugBank search Quinine
Quinine sulfateQualaquin, HexaquineHigh riskAntimalarialMalaria, leg cramps PubMed search Quinine sulfate)DrugBank search Quinine sulfate
RanolazineRanexa, RanozexLow riskAntianginalAngina Pectoris (heart pain)An anti-anginal drug used for the treatment of chronic angina.PubMed search Ranolazine)DrugBank search Ranolazine
RelugolixOrgovyx, ReluminaClassified as QT prolonging drugGnRH antagonistCancer (prostate)An oral GnRH receptor antagonist for androgen deprivation therapy in the treatment of advanced prostate cancer.PubMed search Relugolix)DrugBank search Relugolix
RemimazolamByfavoClassified as QT prolonging drugSedativeSedation PubMed search Remimazolam)DrugBank search Remimazolam
RibociclibKisqaliModerate riskAnti-cancerCancer (breast) PubMed search Ribociclib)DrugBank search Ribociclib
Ricolinostat Classified as QT prolonging drug Ricolinostat is under investigation for the treatment of Breast Carcinoma and Metastatic Breast Cancer.PubMed search Ricolinostat)DrugBank search Ricolinostat
RilpivirineEdurant, Complera, Eviplera, JulucaLow to moderate riskAntiviralViral infection (HIV/AIDS)A non-nucleoside reverse transcriptase inhibitor (NNRTI) used in combination with other antiretrovirals to specifically treat human immunodeficiency virus type 1 (HIV-1).PubMed search Rilpivirine)DrugBank search Rilpivirine
RisperidoneRisperdalModerate riskAntipsychotic, atypicalSchizophreniaA second-generation antipsychotic medication used to treat a number of mental health disorders including schizophrenia, bipolar mania, psychosis, or as an adjunct in severe depression.PubMed search Risperidone)DrugBank search Risperidone
RitodrineYutoparClassified as QT prolonging drugMuscle relaxantPremature labor PubMed search Ritodrine)DrugBank search Ritodrine
Ritonavir Classified as QT prolonging drug An HIV protease inhibitor used in combination with other antivirals in the treatment of HIV infection.PubMed search Ritonavir)DrugBank search Ritonavir
RomidepsinIstodaxLow riskHistone deacetylase inhibitorCancer (lymphoma)A histone deacetylase (HDAC) inhibitor used to treat cutaneous T-cell lymphoma.PubMed search Romidepsin)DrugBank search Romidepsin
Rosoxacin Classified as QT prolonging drug For the treatment of bacterial infection of respiratory tract, urinary tract, GI, CNS and immuno compromised patients.PubMed search Rosoxacin)DrugBank search Rosoxacin
RoxithromycinRulide, Xthrocin, Roxl-150, Roxo, Surlid, Rulide, Biaxsig, Roxar, Roximycinv, Roxomycin, Rulid, Tirabicin, CoroxinLow to moderate riskAntibioticBacterial infectionAn antibiotic used to treat a variety of susceptible bacterial infections.PubMed search Roxithromycin)DrugBank search Roxithromycin
RucaparibRubracaClassified as QT prolonging drugPARP inhibitorCancer PubMed search Rucaparib)DrugBank search Rucaparib
Salbutamol Classified as QT prolonging drug A beta-2 adrenergic receptor agonist used to treat asthma, bronchitis, COPD, as well as prevent exercise induced bronchospasms.PubMed search Salbutamol)DrugBank search Salbutamol
SalmeterolSerevent, AdvairLow riskBronchodilatorAsthmaA long-acting beta-2 adrenergic receptor agonist used to treat asthma and COPD.PubMed search Salmeterol)DrugBank search Salmeterol
SaquinavirInviraseModerate riskAntiviralViral infection (HIV/AIDS)An HIV protease inhibitor used in combination with other antiretroviral agents for the treatment of HIV-1 with advanced immunodeficiency.PubMed search Saquinavir)DrugBank search Saquinavir
Sarafloxacin Classified as QT prolonging drug Sarafloxacin is a quinolone antibiotic drug, which was discontinued by its manufacturer, Abbott Laboratories, before receiving approval for use in the US or Canada.PubMed search Sarafloxacin)DrugBank search Sarafloxacin
SelpercatinibRetevmoHigh riskKinase inhibitorLung cancer PubMed search Selpercatinib)DrugBank search Selpercatinib
SertindoleSerdolect, SerlectHigh riskAntipsychotic, atypicalSchizophrenia, anxietyAn atypical antipsychotic indicated in the treatment of schizophrenia.PubMed search Sertindole)DrugBank search Sertindole
SertralineZoloft, LustralLow to moderate riskAntidepressant, SSRIDepression PubMed search Sertraline)DrugBank search Sertraline
SevofluraneUltane, SojournClassified as QT prolonging drugAnesthetic, generalAnesthesiaA inhalation anaesthetic agent used for induction and maintenance of general anesthesia during surgical procedures.PubMed search Sevoflurane)DrugBank search Sevoflurane
SibutramineMeridiaClassified as QT prolonging drugAppetite suppressantObesity PubMed search Sibutramine)DrugBank search Sibutramine
Simendan Classified as QT prolonging drug Simendan is under investigation in clinical trial NCT00527059 (Renal Effects of Levosimendan in Patients Admitted With Acute Decompensated Heart Failure).PubMed search Simendan)DrugBank search Simendan
SiponimodMayzentClassified as QT prolonging drug Multiple Sclerosis PubMed search Siponimod)DrugBank search Siponimod
SolifenacinVesicareClassified as QT prolonging drugMuscle relaxantBladder spasmA muscarinic antagonist with antispasmodic properties used to treat urge urinary incontinence, urgency, and urinary frequency associated with an overactive bladder.PubMed search Solifenacin)DrugBank search Solifenacin
SorafenibNexavarLow riskAnti-cancerCancer (liver, renal cell, metastatic thyroid)A kinase inhibitor used in the treatment of unresectable liver carcinoma and advanced renal carcinoma.PubMed search Sorafenib)DrugBank search Sorafenib
SotalolBetapace, Sotalex, Sotacor, Sotalol-AFClassified as QT prolonging drugAntiarrhythmicArrhythmiaA methane sulfonanilide beta adrenergic antagonist used to treat life-threatening ventricular arrhythmias and to maintain sinus rhythm in atrial fibrillation or flutter.PubMed search Sotalol)DrugBank search Sotalol
SparfloxacinZagamModerate riskAntibioticBacterial infectionA fluoroquinolone antibiotic used to treat bacterial respiratory infections and sinusitis.PubMed search Sparfloxacin)DrugBank search Sparfloxacin
Sulfamethoxazole Classified as QT prolonging drug An oral sulfonamide antibiotic, given in combination with trimethoprim, used to treat a variety of infections of the urinary tract, respiratory system, and gastrointestinal tract.PubMed search Sulfamethoxazole)DrugBank search Sulfamethoxazole
Sulfamethoxazole and TrimethoprimSeptra, Bactrim, Sulfatrim, Biseptol, Co-trimoxazole, Cotrim, Septrin, TrisulClassified as QT prolonging drugAntibioticBacterial infection PubMed search Sulfamethoxazole and Trimethoprim)DrugBank search Sulfamethoxazole and Trimethoprim
Sulfisoxazole Classified as QT prolonging drug A sulfonamide antibiotic used with other antibiotics to prevent and treat a variety of bacterial infections.PubMed search Sulfisoxazole)DrugBank search Sulfisoxazole
SulpirideDogmatil, Dolmatil, Eglonyl, Espiride, Modal, SulporClassified as QT prolonging drugAntipsychotic, atypicalSchizophreniaA selective D2 dopamine receptor antagonist indicated to treat chronic and acute schizophrenia.PubMed search Sulpiride)DrugBank search Sulpiride
SultoprideBarnetil, Barnotil, TopralClassified as QT prolonging drugAntipsychotic, atypicalSchizophreniaSultopride is used in Japan, Hong Kong, and Europe to treat schizophrenia. It is of the drug class atypical antipsychotics .PubMed search Sultopride)DrugBank search Sultopride
SunitinibSutentModerate riskAnti-cancerCancer (GIST, renal cell, pNET)A receptor tyrosine kinase inhibitor and chemotherapeutic agent used for the treatment of renal cell carcinoma (RCC) and imatinib-resistant gastrointestinal stromal tumor (GIST).PubMed search Sunitinib)DrugBank search Sunitinib
TacrolimusPrograf, Prograf, Advagraf, ProtopicClassified as QT prolonging drugImmunosuppressantImmune suppression PubMed search Tacrolimus)DrugBank search Tacrolimus
Talinolol Classified as QT prolonging drug Talinolol has been investigated for the basic science of Gastrointestinal Motility Disorder.PubMed search Talinolol)DrugBank search Talinolol
TamoxifenNolvadex, IstubalLow riskAnti-cancerCancer (breast)A selective estrogen receptor modulator used to treat estrogen receptor positive breast cancer, reduce the risk of invasive breast cancer following surgery, or reduce the risk of breast cancer in high risk women.PubMed search Tamoxifen)DrugBank search Tamoxifen
Tandutinib Classified as QT prolonging drug Investigated for use/treatment in leukemia (myeloid).PubMed search Tandutinib)DrugBank search Tandutinib
TazemetostatTazverikClassified as QT prolonging drugAnti-cancerEpithelioid sarcoma PubMed search Tazemetostat)DrugBank search Tazemetostat
Technetium Tc-99m ciprofloxacin Classified as QT prolonging drug Investigated for use/treatment in infectious and parasitic disease (unspecified).PubMed search Technetium Tc-99m ciprofloxacin)DrugBank search Technetium Tc-99m ciprofloxacin
Tedisamil Classified as QT prolonging drug Investigated for use/treatment in arrhythmia, atrial fibrillation, and angina.PubMed search Tedisamil)DrugBank search Tedisamil
TelaprevirIncivo, IncivekClassified as QT prolonging drugAntiviralViral infection (hepatitis C) PubMed search Telaprevir)DrugBank search Telaprevir
TelavancinVibativLow riskAntibioticBacterial infectionAn antibacterial agent used in the treatment of complicated skin and skin structure infections and types of hospital-acquired bacterial pneumonia.PubMed search Telavancin)DrugBank search Telavancin
TelithromycinKetekLow to moderate riskAntibioticBacterial infectionAn ketolide used to treat community acquired pneumonia of mild to moderate severity.PubMed search Telithromycin)DrugBank search Telithromycin
Temafloxacin Classified as QT prolonging drug For the treatment of lower respiratory tract infections, genital and urinary infections like prostatitis, and skin infections.PubMed search Temafloxacin)DrugBank search Temafloxacin
Temefos Classified as QT prolonging drug Diphos has been used in trials studying the treatment of Plasmodium Falciparum Malaria.PubMed search Temefos)DrugBank search Temefos
TerbutalineBrethine, Bricanyl, Brethaire, TerbulinModerate riskBronchodilatorAsthma, premature laborA beta-2 adrenergic agonist used as a bronchodilator and to prevent premature labor.PubMed search Terbutaline)DrugBank search Terbutaline
TerfenadineSeldaneClassified as QT prolonging drugAntihistamineAllergic rhinitisAn antihistamine for the treatment of allergy symptoms.PubMed search Terfenadine)DrugBank search Terfenadine
TerlipressinTeripress, Glypressin, Terlipin, Remestyp, Tresil, TerissLow to moderate riskVasoconstrictorSeptic shockA drug used to treat bleeding caused by esophageal varices.PubMed search Terlipressin)DrugBank search Terlipressin
TerodilineMicturin, MictrolClassified as QT prolonging drugMuscle relaxantBladder spasmNot AnnotatedPubMed search Terodiline)DrugBank search Terodiline
TetrabenazineNitoman, XenazineLow to moderate riskVesicular Monoamine Transporter 2 InhibitorChorea (Huntington's disease)A vesicular monoamine transporter 2 (VMAT) inhibitor used for the management of chorea associated with Huntington's Disease.PubMed search Tetrabenazine)DrugBank search Tetrabenazine
Tetrahydropalmatine Classified as QT prolonging drug Tetrahydropalmatine is under investigation in clinical trial NCT02118610 (Treatment of Schizophrenia With L-tetrahydropalmatine (l-THP): a Novel Dopamine Antagonist With Anti-inflammatory and Antiprotozoal Activity).PubMed search Tetrahydropalmatine)DrugBank search Tetrahydropalmatine
ThioridazineMellaril, Novoridazine, ThiorilModerate riskAntipsychoticSchizophreniaA phenothiazine antipsychotic used to treat schizophrenia and generalized anxiety disorder.PubMed search Thioridazine)DrugBank search Thioridazine
Thiothixene Classified as QT prolonging drug An antipsychotic indicated for the management of schizophrenia.PubMed search Thiothixene)DrugBank search Thiothixene
TiaprideTiapridal, Italprid, Sereprile, Tialaread, Tiaryl, Tiaprim, Tiaprizal, Sereprid, TiapridexClassified as QT prolonging drugSelective D2, D3 dopamine antagonistAlcoholism, withdrawal PubMed search Tiapride)DrugBank search Tiapride
Tipiracil/TrifluridineLonsurfClassified as QT prolonging drugAnti-cancerCancer (Metastatic colorectal) PubMed search Tipiracil/Trifluridine)DrugBank search Tipiracil/Trifluridine
TizanidineZanaflex, SirdaludClassified as QT prolonging drugMuscle relaxantMuscle spasticityAn alpha-2 adrenergic agonist used for the short-term treatment of muscle spasticity.PubMed search Tizanidine)DrugBank search Tizanidine
TolterodineDetrol, DetrusitolClassified as QT prolonging drugMuscle relaxantBladder spasmA muscarinic receptor antagonist used to treat overactive bladder with urinary incontinence, urgency, and frequency.PubMed search Tolterodine)DrugBank search Tolterodine
TorasemideDemadex, Diuver, ExamideClassified as QT prolonging drugDiureticHypertension, diuresis PubMed search Torasemide)DrugBank search Torasemide
ToremifeneFarestonModerate riskEstrogen agonist/antagonistCancer (breast, metastatic)A first generation nonsteroidal selective estrogen receptor modulator used to treat certain breast cancers.PubMed search Toremifene)DrugBank search Toremifene
TramadolCrispin, Ralivia ER, Ralivia Flashtab, Tramadolum, Tramal, Tramodol, Tridural, Ultram, Ultram ER, Zydol, Ixprim, Zaldiar, TopalgicClassified as QT prolonging drugAnalgesicPain PubMed search Tramadol)DrugBank search Tramadol
TrazodoneDesyrel, Oleptro, Beneficat, Deprax, Desirel, Molipaxin, Thombran, Trazorel, Trialodine, Trittico, MesyrelLow to moderate riskAntidepressant, SARIDepression, insomniaA serotonin uptake inhibitor used to treat major depressive disorder.PubMed search Trazodone)DrugBank search Trazodone
Treprostinil Classified as QT prolonging drug A prostacyclin vasodilator for the treatment of pulmonary arterial hypertension to relieve exercise associated symptoms and to prevent clinical deterioration after stopping epoprostenol.PubMed search Treprostinil)DrugBank search Treprostinil
Triclabendazole Classified as QT prolonging drug An anthelmintic drug used to treat fascioliasis.PubMed search Triclabendazole)DrugBank search Triclabendazole
Trimethadione Classified as QT prolonging drug An anticonvulsant agent indicated for the control of treatment-refractory petit mal seizures.PubMed search Trimethadione)DrugBank search Trimethadione
TrimipramineSurmontil, Rhotrimine, StangylClassified as QT prolonging drugAntidepressant, TricyclicDepressionA tricyclic antidepressant used to treat depression.PubMed search Trimipramine)DrugBank search Trimipramine
Triptorelin Classified as QT prolonging drug A GnRH agonist indicated for the palliative treatment of advanced prostate cancer.PubMed search Triptorelin)DrugBank search Triptorelin
TropisetronNavoban, SetrovelLow to moderate riskAntiemeticNausea, vomiting PubMed search Tropisetron)DrugBank search Tropisetron
Trovafloxacin Classified as QT prolonging drug An antibiotic used to treat gonorrhea and chlamydia.PubMed search Trovafloxacin)DrugBank search Trovafloxacin
Tucidinostat Classified as QT prolonging drug Investigated for use/treatment in cancer/tumors (unspecified).PubMed search Tucidinostat)DrugBank search Tucidinostat
ValbenazineIngrezzaClassified as QT prolonging drugVesicular monamine transporter 2 inhibitorTardive Dyskinesia PubMed search Valbenazine)DrugBank search Valbenazine
Valproic acid Classified as QT prolonging drug An anticonvulsant used to control complex partial seizures and both simple and complex absence seizures.PubMed search Valproic acid)DrugBank search Valproic acid
VandetanibCaprelsaHigh riskAnti-cancerCancer (thyroid)An antineoplastic kinase inhibitor used to treat symptomatic or progressive medullary thyroid cancer in patients with unresectable locally advanced or metastatic disease.PubMed search Vandetanib)DrugBank search Vandetanib
VardenafilLevitraClassified as QT prolonging drugPhosphodiesterase 5 inhibitorErectile dysfunctionA phosphodiesterase 5 inhibitor used to treat erectile dysfunction.PubMed search Vardenafil)DrugBank search Vardenafil
VemurafenibZelborafModerate riskAnti-cancerCancer (melanoma)A kinase inhibitor used to treat patients with Erdheim-Chester Disease who have the BRAF V600 mutation, and melanoma in patients who have the BRAF V600E mutation.PubMed search Vemurafenib)DrugBank search Vemurafenib
VenlafaxineEffexor, EfexorClassified as QT prolonging drugAntidepressant, SNRIDepressionA selective serotonin and norepinephrine reuptake inhibitor (SNRI) used for the treatment of major depression, generalized or social anxiety disorder, and panic disorder.PubMed search Venlafaxine)DrugBank search Venlafaxine
VernakalantBrinavessHigh riskAntiarrhythmic drugAtrial fibrillationAn antiarrhythmic medication used to treat patients with atrial fibrillation.PubMed search Vernakalant)DrugBank search Vernakalant
Vilanterol Classified as QT prolonging drug A long-acting beta2-adrenergic agonist used in combination with other bronchodilators for the management of chronic obstructive pulmonary disease (COPD), including chronic bronchitis and/or emphysema.PubMed search Vilanterol)DrugBank search Vilanterol
Vilanterol/fluticasone furoateBreo ElliptaLow riskBronchodilatorAsthma PubMed search Vilanterol/fluticasone furoate)DrugBank search Vilanterol/fluticasone furoate
VoclosporinLupkynisLow to moderate riskImmunosupressantLupus nephritis PubMed search Voclosporin)DrugBank search Voclosporin
VoriconazoleVFendModerate riskAntifungalFungal infectionA triazole compound used to treat fungal infections.PubMed search Voriconazole)DrugBank search Voriconazole
VorinostatZolinzaLow riskHistone deacetylase inhibitorCancer (lymphoma)A histone deacetylase (HDAC) inhibitor used for the treatment of cutaneous manifestations in patients with progressive, persistent, or recurrent cutaneous T- cell lymphoma (CTCL) following prior systemic therapies.PubMed search Vorinostat)DrugBank search Vorinostat
Xylometazoline (Xylomethazoline)Sinosil, Aqua MarisClassified as QT prolonging drugSympathomimeticNasal Congestion PubMed search Xylometazoline (Xylomethazoline))DrugBank search Xylometazoline (Xylomethazoline)
ZiprasidoneGeodon, ZeldoxHigh riskAntipsychotic, atypicalSchizophreniaAn atypical antipsychotic used to manage schizophrenia, bipolar mania, and agitation in patients with schizophrenia.PubMed search Ziprasidone)DrugBank search Ziprasidone
ZotepineLosizopilon, Lodopin, Setous, ZoleptilClassified as QT prolonging drugAntipsychotic, atypicalSchizophrenia PubMed search Zotepine)DrugBank search Zotepine
Zuclopenthixol Classified as QT prolonging drug An antipsychotic indicated for the management of schizophrenia. The acuphase formulation is indicated for initial treatment of acute psychosis or exacerbation of psychosis, while the depot formulation is best for maintenance.PubMed search Zuclopenthixol)DrugBank search Zuclopenthixol
Zuclopenthixol (Zuclopentixol)Cisordinol, Clopixol, AcuphaseClassified as QT prolonging drugAntipsychoticPsychosis PubMed search Zuclopenthixol (Zuclopentixol))DrugBank search Zuclopenthixol (Zuclopentixol)

Updated January 18, 2025