A fever and a pruritic rash on the torso

Case #1

A 38-year-old man presents with fever and a pruritic pustular rash on the torso. On examination, the patient has widespread erythematous patches studded with nonfollicular, sterile, pinhead-sized pustules that coalesce into lakes of pus over the torso. The rash has been developing over 72 hours. The patient has had several similar rashes in the past. Aside from the rash, ...