(HealthDay News) -- Athlete's foot is caused by a fungus that produces skin rashes, typically on the soles of the feet and between the toes. It usually appears as itchy, red patches of skin that burn, blister, flake or crack.

Since the fungus spreads in areas that are damp and sweaty, you should keep your feet clean and dry. Always wear socks, and look for all-natural fibers that absorb sweat. Also choose shoes that are well-ventilated, such as those with small holes or mesh.

Athlete's foot is easily spread, and is often found in public locker rooms, pool areas, and showers. To avoid contracting the fungus in these areas, always wear flip flops or some other type of shoe.

Treatment typically involves an over-the-counter antifungal cream or spray, which can clear up the fungus in a few weeks. If athlete's foot doesn't clear up or recurs, you should consult a doctor about a stronger treatment.