What to do

Contact your GP if you notice a ring anywhere on your skin that doesn't go away within a few weeks. They'll be able to rule out other possible causes,likea fungal infection.

Becausegranuloma annulare is harmless,you may not need any treatment for it. However, you may wish to consider treatment if the appearance of the rash is upsetting you.

Content supplied by the NHS Website

Medically Reviewed by a doctor on 21 Dec 2018