Circular rash: Causes and diagnosis

The most common cause of a circular rash is ringworm, but allergic reactions, Lyme disease, and other factors can also cause this issue. Learn more here.

Circle rashes on the skin but not ringworm: Other causes

Granuloma annulare - NHS

Circle rashes on the skin but not ringworm: Other causes

I get this circular rash on my right thigh whenever I have a strawberry refresher from Dunks. Does this look like an allergic reaction? I've also had other skin irritation for weeks

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