A common disorder of the skin, pityriasis alba occurs primarily in children between the ages of 3 and 18 years. The condition usually manifests as dry, fine-scaled, pale patches 0.5 to 6 cm in ... Pityriasis (pit-ih-RIE-uh-sis) rosea can happen at any age but is most common between the ages of 10 and 35.

Understanding the Context

It tends to go away on its own within 10 weeks. Treatment may help relieve the symptoms. The rash persists for several weeks and heals without scarring. Medicated lotions may lessen itchiness and speed the disappearance of the rash.

Key Insights

What is pityriasis rosea? Pityriasis rosea is a self-limiting rash, which resolves in about 6–10 weeks. It is characterised by a large circular or oval "herald patch", usually found on the chest, abdomen, or back. Pityriasis rosea ... Pityriasis rosea is a type of skin rash.

Final Thoughts

[2] Classically, it begins with a single red and slightly scaly area known as a "herald patch". [2] This is then followed, days to weeks later, by an eruption of many smaller scaly spots; pinkish with a red edge in people with light skin and greyish in darker skin. [4] Some medications and vaccines can cause a rash that looks like pityriasis rosea. It’s important to rule these out, so tell your dermatologist about vaccines you recently had and all medications you take. Pityriasis rosea is a disease that causes the formation of many small patches of scaly, rose-colored or tan-colored patches on the skin. Pityriasis rosea may be caused by a viral infection.

Pityriasis rosea (pih-tuh-RY-uh-sis ROH-zee-uh) is a common skin condition that causes patches of your skin to develop raised, scaly rashes. It may appear on any part of your body, but it usually appears on the trunk (torso), arms and legs. What is pityriasis rosea? Pityriasis rosea is a type of skin rash.