(HealthDay News) — A toenail fungal infection typically occurs beneath the surface of the nail, says the American Podiatric Medical Association. Damp areas from swimming pools to locker rooms heighten the risk of getting a toenail fungal infection.

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Typically after infection, the nail will thicken, look deformed, smell foul and become darker. If ignored, the infection can spread and impair your ability to walk.

An over-the-counter antifungal agent may get rid of the fungus, or a stronger prescription medication may be needed.

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