Dermatology Q52

A 40-year-old man is evaluated during a follow-up visit for an extremely pruritic skin eruption for several months that was recently diagnosed as dermatitis herpetiformis. He denies gastrointestinal symptoms and is otherwise healthy and takes no medications.

On physical examination, vital signs are normal. There are numerous excoriations on elbows, knees, and buttocks with rare intact vesicles.

In addition to a gluten-free diet, which of the following is the most appropriate treatment for this patient?


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