Request an Appointment at Mayo Clinic. Share on: Facebook Twitter. Show references Allmon A, et al. Common skin rashes in children. American Family Physician. Ferri FF.
Tinea corporis. In: Ferri's Clinical Advisor Accessed Aug. Office of Patient Education. Fungal infection: Ringworm of the body. Mayo Foundation for Medical Education and Research; Goldstein AO, et al. Apply a thin layer of cream just past the outside edges of the rash.
Spread the cream, beginning from the outside area first, then move toward the center of the rash Picture 1. Do not cover the ringworm with a bandage. Wash and dry your hands well. How to Prevent Ringworm The fungus grows well on warm, dark, moist areas of the body. To prevent ringworm from spreading to others: Keep the skin clean and dry. Dry the skin well after washing or bathing. Wash hands well and right away if a ringworm rash is touched.
Wear clean clothes, socks and underwear every day and do not share clothes or personal items brushes, combs, barrettes with others Picture 2. Wash and dry clothing and towels that have come in contact with the rash using the hottest settings allowed on the care labels. Wash the bathtub, bathroom sink or pan well after each use. Other Advice Wear shoes in locker rooms and public showers. Shower right away after all contact sports like wrestling and football. Keep fingernails short and clean. Wash hands after playing with pets.
What are the symptoms? How is ringworm of the skin diagnosed? How is it treated? Can you prevent ringworm? To prevent ringworm: Don't share clothing, sports gear, towels, or sheets.
If you think you have been exposed to ringworm, wash your clothes in hot water with special anti-fungus soap. Wear slippers or sandals in locker rooms and public bathing areas. Shower and shampoo well after any sport that includes skin-to-skin contact. Wear loose-fitting cotton clothing. Change your socks and underwear at least once a day. Keep your skin clean and dry.
Always dry yourself completely after showers or baths, drying your feet last. If you have athlete's foot, put your socks on before your underwear so that fungi do not spread from your feet to your groin. Take your pet to the vet if it has patches of missing hair, which could be a sign of a fungal infection.
Cause Ringworm infection is caused by a fungus. Symptoms Most ringworm infections cause a rash that may be peeling, cracking, scaling, itching, and red. Symptoms of ringworm of the body include a rash: On the chest, stomach, arms, legs, or back. With edges that are red and scaly or moist and crusted. The rash also may have small bumps that look like blisters. The centre of the rash may be clear, giving it a ring-shaped appearance, or there may be a cluster of red bumps.
That may form large, round patches. Symptoms of ringworm of the face include a rash: On the face, the ears, or both.
With a border that may not be very distinct. That may get worse after being in the sun. Symptoms of ringworm of the groin jock itch include a rash: On the groin, skin folds, inner thighs, or buttocks. The rash usually does not occur on the scrotum or penis.
With edges that are very distinct and may be scaly or have bumps that look like blisters. That may have a red-brown centre. Symptoms of ringworm on the hand include a rash: On the palm that may be mistaken for eczema. On the palm that is thickened, dry, and scaly, similar to athlete's foot, while skin between the fingers may be moist and have open sores.
On the back of the hand that is red and scaly, with edges that have bumps that look like blisters. What Happens Ringworm of the skin can start as a small patch of itchy, red, or scaling skin. What Increases Your Risk Your risk of getting ringworm is higher if: You come in contact with a person who has a fungal infection or with a carrier, a person who has the fungi but does not have symptoms.
You are susceptible to fungal infections or you have had a previous fungal infection. You have an impaired immune system due to a disease such as diabetes or cancer. You live in a warm, damp climate.
You wear tight-fitting clothes or you let your skin stay damp for long periods, such as by staying in a wet bathing suit or sweaty workout clothes. You are a wrestler. When should you call your doctor? If you suspect you have ringworm of the skin, call your doctor if: You have patches of skin that are itchy, red, or scaly with bumps that look like blisters, and they have not improved after 2 weeks of treatment with a non-prescription antifungal product.
Signs of bacterial infection develop. Signs may include: Increased pain, swelling, redness, tenderness, or heat. Red streaks extending from the area. Discharge of pus. The rash appears to be spreading even after treatment. Watchful waiting Watchful waiting is a wait-and-see approach. Who to see Your family doctor or general practitioner can diagnose and treat ringworm of the skin.
Examinations and Tests Doctors often can easily recognize ringworm by its ring-shaped rash. Tests for ringworm of the skin include: A KOH potassium hydroxide preparation. This test can help your doctor find out whether a fungus is causing your rash. The doctor will take a sample of your skin by lightly scraping the infected area. The sample is placed on a slide with potassium hydroxide KOH solution and gently heated. If fungus cells are present, the doctor can then see them with a microscope.
A Wood's light examination. This test may be used to see if the rash is caused by a fungus. Your doctor will shine a special light on your skin where you have the rash. Certain kinds of fungi glow under this light. A fungal culture skin culture. This test can identify the type of fungus that is causing your infection.
Usually a culture is only done if the diagnosis is difficult or the skin condition is not responding to treatment. This test may take up to 4 weeks, because it takes time for the fungus to grow.
Treatment Overview Most cases of ringworm of the skin, including jock itch and ringworm of the hand, can be treated with creams or ointments that you put on your skin to kill fungi. What to think about You should treat a fungal infection right away. Prevention To prevent ringworm of the skin: Keep your skin clean and dry.
Avoid tight underwear, pants, and panty hose. Always dry yourself completely after showers or baths. After drying your skin with a towel, allow your skin to air-dry before putting your clothes on. You can also use a hair dryer, set on a cool setting, to dry your skin.
Do not share clothing, sports equipment, towels, or sheets. If you think you have been exposed to ringworm, wash your clothes in hot water with fungus-killing fungicidal soap. Wear slippers or sandals in locker rooms, showers, and public bathing areas. Shower and shampoo thoroughly after any sport that requires skin-to-skin contact.
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