Review Question - QID 210693

A 20-year-old college student presents to his student health clinic complaining of a scaly rash on his right inner thigh. He reports that the rash is itchy and first appeared 4 months ago. A similar rash occurred last year, which improved with a topical cream he purchased over the counter, but he does not remember the name. The patient has a history of attention-deficient disorder and atopic dermatitis. His medications include methylphenidate and betamethasone. The patient has been a wrestler since high school and currently wrestles for the university. He reports he is doing well in his classes. He admits to smoking marijuana recreationally and having a few beers on the weekends with his friends. He went to Costa Rica for a 2-week mission trip 6 months ago. The patient’s temperature is 98.7°F (37°C), blood pressure is 110/68 mmHg, pulse is 72/min, and respirations are 11/min. Physical exam reveals a lesion as shown in Figure A. Potassium hydroxide scrapings of the lesion confirm the diagnosis. Which of the following is the most appropriate treatment for the patient's most likely diagnosis?