Overview

Ringworm is a fungus infection of the skin. It is not caused by a worm or bug. Ringworm causes round patches of baldness or scaly skin on the scalp. Ringworm of the scalp is most common in children 3 to 9 years old.

Sometimes the infected area is inflamed, reddened, crusty, itchy, and tender, with small swollen bumps.

The fungus that causes ringworm of the scalp spreads from person to person. You can get ringworm by sharing hats, combs, brushes, towels, pillowcases, or helmets. Once in a while, it can also spread from a dog or cat to a person.

Ringworm of the scalp is treated with pills. Ringworm may come back after treatment. Treating ringworm of the scalp can prevent scarring and permanent hair loss.

How can you care for yourself at home?

• Take your medicines exactly as prescribed. Call your doctor or nurse advice line if you have any problems with your medicine.
• Ask your doctor if a special shampoo for ringworm might help. Your doctor can let you know if and how often you can use one.

How can you help prevent ringworm of the scalp from coming back or spreading?

• As soon as you start treatment, replace your combs and brushes. Or you can clean them after each use with diluted household bleach. To dilute household bleach, follow the directions on the label.
• Don't share hats, helmets, or other objects that are used for the head or hair. Ringworm-causing fungus can live on objects, people, or animals for several months.
• Wash your hands well after caring for someone with ringworm. Adults who have contact with a child with ringworm of the scalp can become a carrier. A carrier does not have a ringworm infection but can pass it to others. Sometimes all caregivers are treated with a special shampoo.
• Wash your clothes, towels, and bed sheets in hot, soapy water.