A 27 year old sexually active male develops a vesiculobullous lesion on the glans soon after taking tablet paracetamol for fever. The lesion healed with hyperpigmentation. The most likely diagnosis is -: (A) Behcet's syndrome, (B) Herpes genitalis, (C) Fixed drug eruption, (D) Pemphigus vulgaris
Answer is C. Fixed drug eruption manifests as skin lesions at fixed sites following drug intake. Page no.294. Reference IADVL's concise textbook of dermatology