Case 136

Medical history


34 years-old male presented to the family health care center with conjunctival erythema, odynophagia, malaise, myalgia and fever of 102.2°F, and was treated empirically at this episode with metamizole (dypirone) and amoxicillin. He reported tick stings that same day. A couple of hours after the first dose of the prescribed medication, the patient exhibited an erythematous/purpuric rash, with confluent plaques and sero-hemorrhagic blisters compromising face, trunk, members, as well as buccal and penile mucosa. Moreover, he was undergoing treatment for hyperuricemia and arterial hypertension with allopurinol and atenolol, respectively.

Based on the clinical history and the photographs provided, which is the most likely diagnosis?

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