Pityriasis Rosea (Christmas Tree Rash): Pictures, Causes - Healthline
Pityriasis rosea: MedlinePlus Medical Encyclopedia

Pityriasis rosea is a pink or gray skin rash that's common in teens and young adults. It may itch, but it's harmless. Find out what to…

Pityriasis rosea - Wikipedia
Pityriasis Rosea - KidsHealth

Learn all about pityriasis rosea, a skin rash that is largely benign. We take a look at its symptoms, causes, diagnosis, and treatment options.

What Causes Pityriasis Rosea?…