Dermatitis Herpetiformis

Dermatitis herpetiformis is pruritic papulovesicular eruption (IgA deposition in dermal papillae), strongly associated with celiac disease, on extensor surfaces/elbows/knees/buttocks. Treatment: dapsone (rapid symptom control); strict gluten-free diet (long-term); antihistamines for pruritus; screen/treat celiac disease; monitor for GI lymphoma/enteropathy; follow-up dermatology/gastroenterology.

Common Symptoms

Pruritic papulovesicles; elbows/knees/buttocks; linked to celiac

Causes and Pathogenesis

IgA anti-epidermal transglutaminase deposits cause dermal papillary microabscesses.

Treatment

Dapsone; gluten-free diet; antihistamines; screen celiac

Preventive Measures

Gluten-free diet; early celiac screening.

Department to Visit

It is recommended to visit the Dermatology/Gastroenterology department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.