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 ...

Pityriasis rosea is a common condition that causes an oval or circular raised patch on the skin. (The rash appears pinkish on ...

Diagnosing pityriasis rosea is nearly always made by history and physical examination alone. In certain atypical cases, a skin biopsy may prove useful in differentiating pityriasis rosea from ...

It’s also more likely to affect people with darker skin. Doctors typically diagnose pityriasis rosea based on the physical appearance and pattern of the rash. Your doctor may also take your full ...