Clinical Challenge: Rash on the Cheek and Scalp

A 24-year-old Hispanic man presents for evaluation of an acute-onset rash on his left cheek and scalp. He experienced a slight fever the day prior to the eruption and currently complains of minimal discomfort. Medical history is significant for atopic dermatitis that developed in early childhood. This condition had recently flared, and the patient received an intramuscular injection of triamcinolone ...