How often is pityriasis rosea misdiagnosed? statistically, how often is a condition such as pityriasis rosea misdiagnosed each year?

Pityriasis Rosea: This is a very difficult question to answer as there is no reliable data on misdiagnoses. This condition can be misdiagnosed by many doctors if they are not familiar with it. However, a dermatologist is a skin specialist and should be able to properly diagnose it most of the time.

Depends: Dermatologists unlikly would "misdiagnose" pr. No one knows that statistics.