Ringworm of the skin starts as a red, scaly patch or bump. Ringworm tends to be very itchy and uncomfortable. Over time, it may begin to look like a ring or a series of rings with raised, bumpy, scaly borders (the center is often clear). This ring pattern gave ringworm its name, but not every person who's infected develops the rings.
When ringworm affects the feet it's known as athlete's foot, and the rash, which is usually between a person's toes, appears patchy. In fact, the rashes a person gets with athlete's foot and jock itch may not look like rings at all — they may be red, scaly patches.
Ringworm of the scalp may start as a small sore that resembles a pimple before becoming patchy, flaky, or scaly. It may cause some hair to fall out or break into stubbles. It can also cause the place where the infection is to become swollen, tender, and red.
Ringworm of the nails may affect one or more nails on a person's hands or feet. The nails may become thick, white or yellowish, and brittle. Ringworm of the nails is not too common before puberty, though.
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