pityriasis rubra pilaris (PRP)

see also:

• dermatology

• a rare scaly chronic red/orange rash with thickening and scaling of the palms and soles forming palmoplantar keratoderma
• classic forms usually go away in 3 to 5 years with or without treatment
• atypical forms may last over 20 years and often have an eczematous component

• ~60% affect adults - most often affects adults between 50 and 70 years of age
• ~40% affect children ¹⁾
• inherited forms of PRP are very rare

• 6 main types
• scaly chronic red/orange rash with thickening
• scaling of the palms and soles forms palmoplantar keratoderma
• mildly itchy
• can progress to cover most of the body
• can cause ectropion of the eyelid