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Key Points Dermatitis herpetiformis (DH) is an intensely pruritic, chronic disorder characterized by symmetrically distributed papulovesicles, bullae, or erosions. DH is an autoimmune blistering disease that is a cutaneous manifestation of gluten sensitivity. It is believed to be mediated by IgA autoantibodies to epidermal transglutaminase. Dapsone is the first-line therapy for DH. Strict gluten avoidance […]