Dermatitis herpetiformis

Dermatitis herpetiformis is an autoimmune skin condition characterized by pruritic vesicles and papules most commonly on the extensor surfaces of elbows and proximal forearms

It is strongly associated with coeliac disease.

Diagnosis is by biopsy showing IgA deposits

  • Gluten-free diet – but this alone would take around 2 years to decrease the rash
  • Dapsone or sulphonamides

Dapsone must be avoided in those with G6PD deficiency as it will cause haemolytic anaemia. 

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Secret collector of interesting anonymised ECGs. Fan of the Bath Photomarathon. Lover of cream teas. [Sarah Hudson] (Your Picture)