Dapsone is used in -

Ans. is 'a' i.e., Dermatitis herpetiformis Dermatologic conditions in which dapsone is used:Dermatitis herpetiformisErythema elevatum diutinumPemphigusPemphigoidBullous lupus erythematosusAdverse effects of dapsoneo The most common adverse effect of dapsone is hemolytic anaemia (Patients with G-6-PP deficiency are more susceptible).o Second most common adverse effect is methemoglobinemia.o Other side effects are - Nausea, anorexia, headache, paresthesia, drug fever, mental symptoms, rashes, fixed drug eruption, hypermelanosis (Pigmentation), phototoxicity, exfoliative dermatitis, hepatitis, agranulocytosis, lepra reaction and sulfone syndrome, infectious mononucleosis like syndrome.