Dermatitis Herpetiformis


  • rare
  • associated with Coeliac Disease, occasionally other autoimmune disorders
  • IgA in dermal papillae
  • Can present at any age, usually young adult males

Clinical features

  • small, intensely itchy blisters
  • lesions mainly
    • elbows
    • forearm extensor surface
    • scalp
    • buttocks

Treatment

  • Gluten-free diet
  • oral dapsone
  • sulphonamides
 

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