A 12-year-old Boy with a Purpuric Rash

Abstract

A 12-year-old boy presented to the emergency department (ED) with a chief complaint of rash. The rash appeared the day prior to arrival and was accompanied by a mild asthma exacerbation. The rash was non-tender; however, he said the lesions felt like they were “burning.” The lesions started on his torso and then spread to include his thighs, neck, and upper back. Other symptoms included headache, nausea, and abdominal pain, with