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Athlete's foot

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Athlete's foot, tinea pedis

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Athlete's foot

Definition:

Athlete's foot is an infection of the feet caused by fungus. The medical term is tinea pedis. Athlete's foot may last for a short or long time and may come back after treatment.

Alternative Names:
Tinea pedis; Fungal infection - feet; Tinea of the foot; Infection - fungal - feet; Ringworm - foot

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Causes, incidence, and risk factors:

The body normally hosts a variety of microorganisms, including bacteria and fungi. Some of these are useful to the body. Others may, under certain conditions, multiply rapidly and cause infections. Athlete's foot occurs when a particular type of fungus grows and multiplies in your feet (especially between your toes) or, less commonly, your hands.

Of the fungal infections known as tinea infections, Athlete's foot is the most common. It may occur at the same time as other fungal skin infections such as ringworm or jock itch. These fungi thrive in warm, moist areas. Your risk for getting athlete's foot increases if you:

• Wear closed shoes, especially if they are plastic-lined
• Keep your feet wet for prolonged periods of time
• Sweat a lot
• Develop a minor skin or nail injury

Athlete's foot is contagious, and can be passed through direct contact, or contact with items such as shoes, stockings, and shower or pool surfaces.

References:

Habif, TP. Clinical Dermatology. 4^th Ed. St. Louis: Mosby; 2004.

Long SS, Pickering LK, Prober CG, eds. Principles and Practice of Pediatric Infectious Diseases. 2^nd Ed. New York, NY: Elsevier, 2003.

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