Dermatitis herpetiformis
Dermatitis herpetiformis is an autoimmune blistering skin disorder associated with coeliac disease. It is caused by deposition of IgA in the dermis.
Features
Diagnosis
Management
Features
- itchy, vesicular skin lesions on the extensor surfaces (e.g. elbows, knees, buttocks)
Diagnosis
- skin biopsy: direct immunofluorescence shows deposition of IgA in a granular pattern in the upper dermis
Management
- gluten-free diet
- dapsone
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| © Image used on license from DermNet NZ and with the kind permission of Prof Raimo Suhonen | |
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| © Image used on license from DermNet NZ | |