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When Your Child Has Pityriasis Rosea

Outline of child from back showing rash on back. One large spot of rash is herald patch.
With pityriasis rosea, an itchy rash appears on the back and chest. It often starts with a single large patch called a “herald patch.”

Pityriasis rosea is an itchy skin rash that appears on the back and chest. It often starts with a single, large oval patch called a herald patch. Smaller patches may appear a few days later. Pityriasis rosea occurs more often in older children and teens, but anyone can get it. It can cause your child mild discomfort, but it's not a serious problem. It can easily be managed and treated at home.

What causes pityriasis rosea?

The cause of pityriasis rosea is unknown. It doesn’t usually spread from person to person.

What are the symptoms of pityriasis rosea?

Pityriasis rosea causes a rash made up of small, oval, or round marks. The marks are scaly and pink or light brown. Sometimes the rash spreads in a Christmas-tree pattern on the back. It can also cause itching.

How is pityriasis rosea diagnosed?

Pityriasis rosea is diagnosed by how it looks. The healthcare provider will ask about your child’s symptoms and health history. He or she will also examine your child. You will be told if any tests are needed.

How is pityriasis rosea treated?

  • Pityriasis rosea may cause itching for 1 to 2 weeks. It generally goes away on its own within 6 to 8 weeks. Most children get better without treatment.

  • If needed, give your child over-the-counter (OTC) antihistamine medicine to ease itching. These types of medicine may cause sleepiness.

  • Put an OTC medicine such as hydrocortisone cream on the skin to ease itching. Wash your hands with warm water and soap before and after you apply the medicine.

  • Getting out in the sun may help ease itching and shorten how long the rash lasts.

  • A small amount of natural sunlight (5 to 10 minutes a day for several days) may help ease more severe itching.

  • Use lukewarm water for showers and baths. try not to get overheated.

  • Talk with your healthcare provider about any severe itching, some prescription medicines may be helpful.

When to call the healthcare provider

Call your child's healthcare provider if your child has:

  • Rash that gets worse or becomes painful

  • Itching that does not respond to home treatment

What are the long-term concerns?

After healing, your child’s skin may appear darker or lighter in the affected areas. This color change will fade over time.

Online Medical Reviewer: Michael Lehrer MD
Online Medical Reviewer: Raymond Kent Turley BSN MSN RN
Online Medical Reviewer: Rita Sather RN
Date Last Reviewed: 6/1/2019
© 2000-2019 The StayWell Company, LLC. 800 Township Line Road, Yardley, PA 19067. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
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