Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Pityriasis
Introduction
Pityriasis commonly refers to flaking of the skin.[1]
Types include:
- Pityriasis alba
- Pityriasis lichenoides chronica
- Pityriasis lichenoides et varioliformis acuta
- Pityriasis rosea
- Pityriasis rubra pilaris
- Pityriasis versicolor
- Dandruff is historically called Pityriasis capitis