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Question category: Dermatology

A 22 year old female with some bowel habit change presents with a rash on her buttocks, elbows and knees. It is erythematous with some blistering and it is intensely itchy. A skin biopsy reveals sub-epidermal blister formation and immunofluorescence reveals IgA present within the papillae. Which of the following is the most appropriate therapy for her?

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