Medically reviewed by Eva Umoh Asomugha, M.D.Medically reviewed by Eva Umoh Asomugha, M.D. Jock itch (tinea ... skin on both ...

Tinea versicolor is a fungal skin infection caused by a type of yeast. It's a common cause of skin rash in teens and young adults. It causes lots of round and oval-shaped patches on the skin, ...

The fungus causes a raised rash usually shaped like a ring, almost as if a worm was curled up under the skin (but again: no ...

Its itchy round lesions can look similar to ringworm (tinea corporis). However, pityriasis rosea often branches out on the skin with a distinctive evergreen tree pattern while ringworm doesn't have a ...