Pityriasis Rosea
Medically reviewed by Drugs.com. Last updated on May 6, 2024.
What is Pityriasis rosea?
Pityriasis rosea is a skin disorder that causes a scaly rash. The cause of Pityriasis rosea is not known. It usually goes away on its own in 2 to 12 weeks. Pityriasis rosea most often occurs in people who are 10 to 35 years old and during pregnancy.
What are the signs and symptoms of Pityriasis rosea?
The rash first appears as a single pink patch on the chest or back. In people who have dark skin, the color may be violet or dark gray. Within 90 days of the first patch, the rash spreads to the rest of the torso. The rash can also spread to the neck, arms, and legs. Some people with Pityriasis rosea have mild to moderate itching.
How is Pityriasis rosea diagnosed?
Your healthcare provider will examine your rash and ask about your symptoms. Your provider may take a sample of your skin to check for a fungal infection.
How is Pityriasis rosea treated?
Your healthcare provider may prescribe antihistamines or steroids to help reduce itching. They may be given as a pill or cream. Severe cases may be treated with ultraviolet light therapy.
How can I manage my symptoms?
Heat may irritate your skin and cause itching. Avoid hot showers and physical activity that may make your skin too warm.
When should I call my doctor?
- Your rash does not improve within 10 weeks.
- Your itching becomes worse.
- Your rash becomes more red and you have fever.
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