…was identified, and the maximum dose has since been capped at 20 mg for adults and 10 mg for patients over 65 years. In the…

…range. The effect on pain occurs already at 10–50 mg and depends on noradrenergic and sodium-channel-mediated modulation, not on antidepressant action. What…

…in platelets for their entire lifespan. This is why a low once-daily dose is sufficient, and why the effect persists for 7–10 days…

…statin dose. The first step when the statin is maximised and the LDL target is still not reached — a fixed dose of 10 mg, no…

…insulin used for intravenous infusion in diabetic ketoacidosis and hyperosmolar hyperglycaemic state. Subcutaneously it has an onset within 10–20 minutes and a duration of…

…not the magnitude of the deficit. Rate, not daily dose, is what determines safety: peripherally 10 mmol per hour, in a central vein up to…

…a predictable dose–effect relationship without the CYP2D6-dependent variability that makes metoprolol response unpredictable. The half-life of 10–12 hours is sufficient for…

…därför inte sjukdomsförloppet, vilket 5α-reduktashämmare gör. Uroselektiviteten för α₁A gör blodtryckseffekten mindre än hos de äldre alfablockerarna, men den är inte borta.

…Buccolam Nayzilam Kortverkande bensodiazepin, GABA-A-modulerare Den vattenlösliga bensodiazepinen — det är just vattenlösligheten som gör att den kan ges buckalt, intranasalt och intramuskulärt med…

…Propolipid Propofol-Lipuro Profast Intravenöst anestetikum, GABA-A-potentierare Standardpreparatet för anestesiinduktion och för sedering av respiratorpatienter — snabbt anslag, snabb uppvaknande även efter dygn av…

…Mylan Zopiklon Pilum Zopiclone Orion Cyklopyrrolon, icke-bensodiazepin med bensodiazepinliknande verkan på GABA-A Det mest förskrivna sömnmedlet i Sverige, och det som oftast blir…

Tambocor Class IC antiarrhythmic A potent sodium channel blocker with marked efficacy on atrial arrhythmias in structurally normal hearts. The CAST trial showed increased mortality…

Jardiance Synjardy Glyxambi SGLT2 inhibitor A diabetes drug now used mostly for reasons other than glucose control. Empagliflozin reduced cardiovascular death in type 2 diabetes…

…calcium channel blocker A cornerstone drug for hypertension and stable angina, and the easiest calcium channel blocker to use: once-daily dosing, a half-life…

Lipitor Atorvastatin Krka HMG-CoA reductase inhibitor High-intensity statin with a long half-life, allowing it to be taken at any time of day…

…in cerebral oedema and cord compression where sodium retention is undesirable. The effect is not immediate — it requires hours and never replaces adrenaline in anaphylaxis.

…channel blocker A highly vascular-selective dihydropyridine given as a modified-release tablet once daily for hypertension and stable angina. The selectivity for vascular smooth…

…intravenous use with properties from classes I–IV. Extensive tissue distribution and a half-life measured in weeks — initiation and discontinuation have consequences for months.

Pradaxa Direct thrombin inhibitor (factor IIa) The only DOAC that directly inhibits thrombin and the only one with a specific, rapidly acting antidote — idarucizumab achieves…

…has a half-life of one to two days and the active metabolite desmethyldiazepam up to four, so the concentration continues to rise for a…

…choose when reversibility matters. With a half-life of 9 minutes and the effect gone 20–30 minutes after the infusion ends, it is useful…

…that increases renal perfusion while blood pressure falls. A selective D1 agonist without alpha or beta effects, with onset within minutes and duration under one…

…in the loop of Henle. The dose–response relationship is a threshold curve, not a line: below the threshold nothing happens, and in renal failure…

…but does not treat the cause. What determines management is the underlying aetiology: long-acting insulin and in particular sulphonylurea require follow-up infusion and…

…in two strengths, 100 units/ml and 300 units/ml, and the two are not the same medicine even though both are dosed in units.

…selective alpha-blocker with onset within minutes and duration under half an hour. A niche drug: catecholamine-induced hypertensive crisis — phaeochromocytoma, cocaine and amphetamine intoxication…

…diagnostic for arrhythmias that do not — atrial flutter and atrial tachycardia are unmasked when the ventricular response is slowed. The half-life of a few…

…cardiac arrest treatment. The most clinically dangerous property is not pharmacological but practical: two concentrations with a tenfold difference are used in the same setting.

…lowering treatment for gout, with the goal of titrating upward until serum urate is stably below 360 μmol/l — not setting a fixed dose…

…plasminogen activator (rt-PA) Fibrin-specific plasminogen activator that dissolves fresh thrombus and is the standard thrombolytic for ischaemic stroke and haemodynamically significant pulmonary embolism…

…purulent conjunctivitis, and as a suspension alternative in pneumonia in young children. Oral bioavailability is substantially better than phenoxymethylpenicillin and is not affected by food.

…dosing and no routine monitoring. Lower risk of intracranial haemorrhage than warfarin — but the short half-life means a missed dose has consequences within hours.

…Spiromax Inhaled corticosteroid in fixed combination with long-acting β₂-agonist Formoterol is the only long-acting β₂-agonist with onset within a few minutes…

…resting membrane potential and threshold potential and protects the myocardium against arrhythmia within minutes — but does not lower potassium by a tenth of a millimole…

…and most Enterobacterales, with good CNS penetration — making this the standard choice for community-acquired bacterial meningitis and severe sepsis of unknown origin. The price…

…the blood-brain barrier poorly, but it is not entirely free of sedation: a distinct minority of patients become drowsy, and this should be asked…

…A-streptokocker och Staphylococcus aureus. Därför standardtillägg vid nekrotiserande mjukdelsinfektion och toxisk chock, och ett användbart alternativ vid skelett- och mjukdelsinfektion hos penicillinallergiker. Risken för…

…analogue (V2 agonist) The same substance is used for four entirely different indications with doses differing up to a hundredfold — antidiuretic substitution in central diabetes…

…AV-node slowing. Rate control fails under adrenergic stress — making it a poor choice for the active patient and a reasonable one for the bedridden.

…oral and intravenous diltiazem require a named-patient licence. Verapamil or a beta-blocker is therefore the practical first choice for rate control in this…

…and Borrelia. Near-complete oral absorption and a long half-life make once-daily dosing possible. It is the standard choice in pneumonia in penicillin…

…Absorption is destroyed by food, making the timing of administration a genuine treatment variable and not a formality. The most clinically important adverse effect is…

…α2δ subunit of voltage-gated calcium channels — but with a critical difference in kinetics: absorption occurs via a saturable amino acid transporter in the gut…

…1 mg intramuscularly is the treatment that a family member can give when the patient cannot swallow and intravenous access is unavailable — the effect arrives…

…patients, and tenths of a milligram in delirium in the elderly, where the lowest effective dose for the shortest possible time is the whole principle…

…unsuitable as first-line treatment in hypertensive crisis — but useful in pre-eclampsia and as afterload relief in combination with a nitrate and beta-blocker.

…and dexamethasone, hydrocortisone has a clinically meaningful mineralocorticoid effect, which is the entire point in adrenocortical insufficiency — and the short duration allows the daily dose…

…rapid recovery of renal function and platelet function. The short duration is also why three to four doses per day are required for continuous pain.

…anaesthetic The only anaesthetic that both sedates and stabilises the circulation — the indirect sympathetic stimulation makes ketamine the first choice for induction in the bleeding…

…choice oral penicillin for the most common respiratory and skin infections in outpatient care, and one of the reasons Sweden maintains a favourable resistance situation…

…for why the drug is ineffective in infranodal block. The effect comes within one minute and fades over an hour or so, making it a…

…good effect in musculoskeletal and postoperative pain, but with the most unfavourable cardiovascular profile in the class — the increase in risk for myocardial infarction, stroke…