• Plaque Psoriasis

    Plaque Psoriasis

    Plaque psoriasis of the knee in an adult male patient. Psoriasis is a chronic skin condition where excessive skin growth can lead to scaly, thickened patches, or plaques, of skin. It is often stress-related, although sometimes the cause is unknown. Photo courtesy of Dr. P. Marazzi / Photo Researchers, Inc.

  • Psoriasis of the scalp

    Psoriasis of the scalp

    A common genetically determined chronic, inflammatory skin disease characterized by rounded erythematous dry, scaling patches. Psoriasis lesions have a predilection for nails, scalp, genitalia, extensor surfaces, and the lumbosacral region. Accelerated epidermopoiesis is considered to be the fundamental pathologic feature in psoriasis. Photo courtesy of Mediscan.

  • Pustular Psoriasis

    Pustular Psoriasis

    Close-up of a foot dotted with multiple yellow pustules and brown scabs caused by pustular psoriasis. The skin is bright pink and flaky, with brown scabs occurring where the pustules have dried out. The cause of psoriasis is unknown, although a genetic factor is thought to be involved. There is no cure, the only treatment being soothing creams. Photo courtesy of Dr. P. Marazzi / Photo Researchers, Inc.

  • Guttate Psoriasis

    Guttate Psoriasis

    Guttate psoriasis is a form of psoriasis made up of teardrop-shaped, red, scaly patches all over the body. A lung infection may cause this reaction in some patients. Photo courtesy of Mediscan.

  • Onchodystrophy


    Onycholysis is the separation of a nail from its bed associated with psoriasis, dermatitis of the hand, fungal infection, pseudomonas infection and many other conditions. Photo courtesey of Mediscan.

  • Psoriatic Arthritis

    Psoriatic Arthritis

    Psoriatic Arthritis showing the swelling of the hand joints. Approximately 10% of patients who have psoriasis also develop an associated inflammation of their joints. It is possible for patients to develop arthritis before psoriasis in some cases. A systemic rheumatic disease, psoriatic arthritis can result in inflammation of the eyes, heart, lungs, and kidneys in addition to the skin. Photo courtesy of Dr. Ken Greer

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Psoriasis is a chronic, relapsing skin disease characterized by distinctive red, scaly lesions. The disorder effects about 2% of the U.S. population and patients may experience symptoms that range in severity from minor to disabling. There is no cure, but therapy to relieve symptoms is available.

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