What is ringworm?
Ringworm is a common fungal infection of your skin or nails. Ringworm has nothing to do with worms. But the rash it causes can be ring-shaped. Therefore the infection has come to be called ringworm. Doctors call these infections "tinea."
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You can get ringworm on your feet (athlete's foot Athlete's Foot Athlete’s foot is a fungal infection that causes a rash on moist areas of your feet. Athlete's foot is very common because water gets trapped in the warm spaces between your toes It can spread... read more
), face, scalp Scalp Ringworm Ringworm is a common fungal infection of your skin or nails. Ringworm has nothing to do with worms. But the rash it causes can be ring-shaped. Therefore the infection has come to be called ringworm... read more 
, body Body Ringworm Ringworm is a common fungal infection of your skin or nails. Ringworm has nothing to do with worms. But the rash it causes can be ring-shaped. Therefore the infection has come to be called ringworm... read more 
, or nails Onychomycosis Onychomycosis is a fungal infection of the nails. (See also Overview of Nail Disorders.) About 10% of people have onychomycosis, which most often affects the toenails rather than the fingernails... read more 
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Ringworm on your skin causes an itchy, scaly rash that may be ring-shaped
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Ringworm of your nails usually is on your toenails, and it makes them turn thick and yellow or white
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Doctors usually tell if you have ringworm just by looking at it, but sometimes they test a sample of your skin
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Doctors treat ringworm with medicines you put on your skin or take by mouth
