Review Question - QID 109473

A 22-year-old woman presents to her primary care physician for a rash. She has had an itchy rash for the past week that has not improved with the use of lotion. The patient has a medical history of cold sores, and her current medications include an albuterol inhaler. The patient recently started taking ibuprofen for headaches as well. She is currently sexually active with 4 male partners and does not use condoms. The patient's cardiac and pulmonary exam are within normal limits. Inspection of the patient's wrist under her watch reveals the findings in Figure A. Which of the following is the most appropriate next step in management?