…from the active edge, not from the centre Include epidermis and dermis Bullous dermatosis Two biopsies: one from a fresh blister (routine), one from perilesional…

…is better on irregular surfaces and in the scalp. Complications Complication Frequency and comment : : Pain during thawing The rule rather than the exception Blister, some

…age, pregnancy and comorbidity renal and hepatic function regular medication and drug dependence epilepsy or previous seizures suicidal intent packaging, blister packs, photographs, the prescription…