Dermatologists break down the most common circular rashes that aren’t ringworm, including hives, lupus, and atopic dermatitis ...

Granuloma annulare causes a rash that’s easily mistaken for ringworm. This rash forms a clear circle with small, firm, ...

Fact checked by Nick BlackmerFact checked by Nick Blackmer New York scientists announced the first U.S. case of a rare, sexually transmitted fungal infection last week. A related fungal species is ...