Picture of Ringworm Tinea Pedis

Tinea pedis, also known as athlete's foot, is a skin infection caused by a fungus called Trichophyton that thrives within the upper layer of the skin when it is moist, warm, and irritated. The fungus can be found on floors and in socks and clothing, and it can be spread from person to person through contact with these objects. This image shows a close-up of athlete's foot (tinea pedis) on the foot of a 66-year old man.