Dermatitis herpetiformis
- In young adults
- Risk factors
- Coeliac disease
- Iodide sensitivity
- HLA-DR3
- HLA-DQ2
- Pathomechanism
- Tissue transglutaminase and epidermal transglutaminase antibodies
- Clinical features
- Chronic, recurrent
- Tense, grouped, subepidermal vesicles
- Herpetiform appearance, hence the name
- Intensely pruritic
- Bilateral, symmetrical distribution
- Elbows, knees
- No mucosal involvement
- Diagnosis
- Coeliac antibodies
- Histology and immunofluorescence
- Treatment
- Dapsone
- Gluten-free diet