When Your Child Has Pityriasis Rosea

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 a kind of skin rash. It usually affects the chest and back. The rash may start 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 teenagers but anyone can get it. It can cause your child mild discomfort, but it is 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 is not thought to be contagious (able to spread from person to person).

What Are the Symptoms of Pityriasis Rosea?

Pityriasis rosea causes a rash made up of small, oval or round patches. The patches are scaly and are 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. To get more information, the doctor will ask about your child’s symptoms and health history. The doctor will also examine your child. You will be told if any tests are needed.

To relieve itching, topical medication, such as hydrocortisone cream, can be applied to the rash.

How Is Pityriasis Rosea Treated?

• Pityriasis rosea may cause itching for 1–2 weeks. It generally goes away on its own within 6–8 weeks. Most children get better with no treatment.

• Give your child over-the-counter (OTC) antihistamine medication to relieve itching.

• Apply an OTC topical medication, such as hydrocortisone cream, to relieve itching. Each time before and after applying the medication, wash your hands with warm water and soap.

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.