Medical Definition of Tinea cruris
Tinea cruris: A superficial fungus infection of the crotch and perineum known popularly as jock itch. Good general hygiene helps prevent it, as does keeping the area clean and dry . Laundering underwear and athletic supporters frequently also helps, as do an antifungal or drying powder after bathing.
Quick GuideRosacea, Acne, Shingles: Common Adult Skin Diseases
Subscribe to MedicineNet's Skin Care & Conditions Newsletter