Diseases and Conditions

Granuloma annulare

Overview Symptoms Causes Risk factors Diagnosis Treatment Coping and support Preparing for an appointment

Causes

It's not clear what causes granuloma annulare. Sometimes it's triggered by:

  • Animal or insect bites
  • Infections, such as hepatitis
  • Tuberculin skin tests
  • Vaccinations
  • Sun exposure
  • Minor skin injuries
  • Drugs

Granuloma annulare is not contagious.

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