system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 9 year-old girl presents with an annular plaque on the arm with peripheral scale. Topical nystatin ointment is prescribed and 2 weeks later the rash is unchanged. What is the next best step?
assistant
The correct answer is  Characteristic lesions on arm with annular plaque and peripheral scaling is seen in dermatophyte infection Treatment involves the use of oral terbinafine, fluconazole, itraconazole, griseofulvin or one of several well-tried topical preparations.