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Definition

  • Skin infection with 1 or more ring-shaped spots
  • Has a rough edge and clearing of the center
  • Caused by a fungus

Symptoms of Ringworm

  • Round pink patch
  • Clearing of the center as the patch grows
  • Raised, rough, scaly border
  • Usually ½ to 1 inch (12 -25 mm) in size
  • Ring slowly increases in size
  • Often only on one side of the face or body
  • Mildly itchy

Cause

  • An infection of the skin caused by a fungus. It is not caused by a worm.
  • Can often be spread to humans from puppies or kittens that have it. Pet rodents also can carry it.
  • Rarely, can be spread human-to-human. It needs direct skin contact to be passed this way. An exception is that ringworm can occur often among wrestlers. This is because of close body contact during matches.
  • Sometimes, caused by fungus in the soil.

When To Call

Call Doctor Within 24 Hours

  • Pus is draining from the rash

Call Doctor During Office Hours

  • Scalp is involved
  • More than 3 spots are present
  • Child is a wrestler
  • Rash gets bigger or spreads after 1 week on treatment
  • Rash lasts more than 4 weeks
  • You think your child needs to be seen
  • You have other questions or concerns

Self Care at Home

  • Mild ringworm

Care Advice

  1. What You Should Know About Ringworm:
    • Ringworm is a fungus infection of the skin.
    • Often it's caught from puppies or kittens that have it.
    • Here is some care advice that should help.
  2. Anti-Fungal Cream:
    • Use an anti-fungal cream (such as Lotrimin) 2 times per day. No prescription is needed.
    • Put it on the rash and 1 inch (2.5 cm) beyond its borders.
    • Keep using the cream for at least 7 days after the rash is cleared.
  3. Return to School:
    • Your child doesn't have to miss any child care or school for ringworm.
    • Sometimes, ringworm of the skin can be passed on to others. It requires direct skin-to-skin contact.
    • Ringworm from pets is not passed from human to human. It is only passed from animal to human.
    • After 48 hours of treatment, ringworm does not spread to others at all.
    • Wrestlers: Can return to wrestling after 3 days of treatment. Continue treatment until gone.
  4. What to Expect:
    • It goes away in 3 to 4 weeks.
    • If it comes back, suspect the household puppy or kitten.
    • Take your animal to the vet for an exam and treatment.
  5. Call Your Doctor If:
    • Rash gets bigger or spreads after 1 week on treatment
    • Rash is not gone by 4 weeks
    • You think your child needs to be seen
    • Your child becomes worse

And remember, contact your doctor if your child develops any of the 'Call Your Doctor' symptoms.

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