Pityriasis rubra pilaris: MedlinePlus Medical Encyclopedia

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Pityriasis rubra pilaris

Images

Pitted keratolysis

Pityriasis rubra pilaris on the chest

Pityriasis rubra pilaris on the feet

Pityriasis rubra pilaris on the palms

Pityriasis rubra pilaris - close-up

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Pityriasis rubra pilaris is a skin disorder that causes constant inflammation and scaling (exfoliation) of the skin.

Causes

There are many different types of pityriasis rubra pilaris. The cause is unknown, although genetic factors may play a role.

Symptoms

Pityriasis rubra pilaris is a chronic skin condition in which pink, scaly patches and thick skin develop on the hands and feet.

The pink scaly areas cover much of the body. Small "islands" of normal skin are seen within the areas of pink, scaly skin.

Treatment

Topical creams containing urea or lactic acid may help. More commonly, treatment includes pills taken by mouth such as isotretinoin, acitretin, or methotrexate.

Update Date: 4/10/2009

Updated by: Kevin Berman, MD, PhD, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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