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 52-year-old woman with type 2 diabetes mellitus comes to the physician because of a 2-day history of blisters on her forearms and pain during sexual intercourse. Her only medications are metformin and glyburide. Examination reveals multiple, flaccid blisters on the volar surface of the forearms and ulcers on the buccal, gingival, and vulvar mucosa. The epidermis on the forearm separates when the skin is lightly stroked. Which of the following is the most likely diagnosis?
assistant
Pemphigus vulgaris