Ringworm is a fungal infection that can occur anywhere on the body, including the scalp, the feet and the nails.
"Anyone can get it," says Virginia Keane, M.D., director of the Pediatric Ambulatory Center at the University of Maryland Hospital for Children.
Ringworm is caused by different fungal organisms called "dermatophytes." It is a common skin disorder, especially among children. It can also infect animals, such as cats and dogs.
Ringworm, which is also called tinea, has nothing to do with "a worm." The disorder gets its name from the red-ringed rash that infected people typically develop on their body. This rash is often itchy and flaky, but it can also be damp and crusty.
"Ringworm of the scalp causes a rash on the head and can often lead to temporary bald patches. Ringworm of the feet leads to a crackling of the skin near the toes, and ringworm of the nails can cause both fingernails and toenails to become brittle and discolored," says Dr. Keane, who also is an associate professor at the University of Maryland School of Medicine.
The infection is spread by direct contact with another person or pet infected with the fungus. It is also spread by contact with objects like clothing and surfaces like countertops that have been touched by an infected person or animal.
"Because ringworm is a contagious fungus, it is difficult to prevent, but good hygiene, and keeping the skin dry and clean can help," says Dr. Keane. She adds, "Keeping common areas, like bathrooms, clean will reduce the risk of transmission."
Both oral and topical medicines are available to treat ringworm, which will help prevent an infected person from spreading it to others.
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