Ringworm is a fungal infection of the skin. Despite its name, it has nothing at all to do with worms. The fungal infection may appear on the skin, nails, hands, feet, or scalp.
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Ringworm is caused by microscopic skin fungi that live on the outer layer of the skin. You can get ringworm from direct skin-to-skin contact with infected people or pets. It is also transmitted by sharing hats and personal hair grooming items, and through contact with locker room floors, shower stalls, seats, or clothing used by an infected person.
Last reviewedJanuary 2015by David L Horn, MD, FACP
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.