what causes fungal infection
Athlete's Foot. Athlete's foot, also called tinea pedis, is a fungal infection of the foot. It causes peeling, redness, itching, burning, and sometimes blisters and sores.Athlete's foot is a very common infection.The fungus grows best in a warm, moist environment such as shoes, socks, swimming pools, locker rooms, and the floors of public showers. It usually occurs between the two smallest toes. 2  This form of athlete's foot can cause itching, burning, and scaling and the infection can spread to the sole of the foot. 3  Moccasin: A moccasin-type infection of athlete's foot can begin with a minor irritation, dryness, itching, or scaly skin.