Clinical Challenge: A Rash on the Axillae

A 45-year-old moderately obese man presents with a rash affecting both axillae. The eruption has been present for months and on occasion either itches or burns. A 2-week course of oral fluconazole, followed by a steroid dose pack, resulted in minimal improvement. He is currently applying hydrocortisone cream. Examination reveals well-demarcated erythematous patches of the axillae. An erythematous patch with ...