Diseases and Conditions
Pityriasis rosea
Overview
Symptoms
Causes
Complications
Diagnosis
Treatment
Lifestyle and home remedies
Preparing for an appointment
Diagnosis
In most cases, your doctor can identify pityriasis rosea simply by looking at the rash. He or she may take a small scraping of the rash for testing, as this condition can sometimes be confused with ringworm (tinea corporis).