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.

Circular skin rash hi-res stock photography and images - Alamy

Erythema multiforme - NHS

Granuloma annulare - NHS

Granuloma annulare - NHS

Psoriasis or ringworm? Symptoms, treatment, and other rashes

Not All Round Rashes Are Ringworm: A Differential…

Pityriasis Rosea Appearance and Causes

Circle rashes on the skin but not ringworm: Other causes

Circle rashes on the skin but not ringworm: Other causes

How to Identify Rashes and Other Lupus Skin Symptoms