Image: Shutterstock If your nails are affected by ringworm ... (tinea manuum), groin, inner thighs, or buttocks (tinea cruris, commonly called jock itch), scalp (tinea capitis), and beard (tinea ...

Ringworm, medically known as tinea corporis, is a common but superficial ... Ringworm can be treated with over-the-counter antifungal creams, sprays, or powders for most people.