A 35-Year-Old Man With Fever, Cough, and Erythematous-Erosive Mucous Membrane Lesions Accompanied by a Generalized Cutaneous Rash.

A 35-year-old man presented to the ED with a 7-day history of fever, asthenia, and cough. He had previously received a 3-day course of amoxicillin and clavulanic acid (1 g tid po) and then ceftriaxone (1 g IM once per day) prescribed by his general practitioner with no substantial benefit. He was an active smoker (11.2 pack/y), without known allergy-related syndromes and any important reports in his medical history.