What is pityriasis rosea? Pityriasis rosea is a type of skin rash. It is also called Christmas tree rash.

Context Explanation

It starts with 1 large, scaly patch. It may be round or oval. This is called the herald patch. It then causes many more small patches.

Insight Material

The rash most often appears on the chest, back, and belly. It can take 1 to 3 months to go away. Pityriasis rosea (PR) is an acute inflammatory skin disorder characterized by erythematous scaling papules and macules. PR lesions are most commonly distributed over the trunk and proximal extremities ... Pityriasis (pit-ih-RIE-uh-sis) rosea can happen at any age but is most common between the ages of 10 and 35.

Final Conclusion

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. 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. [2] Classically, it begins with a single red and slightly scaly area known as a "herald patch".