This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vestibulobullous disorders, Subject name: Dental
One of the followingis the t/t of choice for dermatitis herpetiformis 
Select and explain. 
A. Coicosteroids, B. Dapsone, C. Mtx, D. Retinoids
B: Dapsone
Answer: B: Dapsone 
Explanation: oral dapsone is the main therapy used for dermatitis herpetiformis. 100-200 mg daily and gradually decreased to a maintenance dose of 50 mg daily.page no.286. Reference IADVL's concise textbook of dermatology