Pityriasis

Pityriasis commonly refers to flaking of the skin.

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