Slideshows Images Quizzes

Copyright © 2018 by RxList Inc. RxList does not provide medical advice, diagnosis or treatment. See additional information.

Definition of Psoriasis

  • Medical Author:
    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

Psoriasis: A reddish, scaly rash often located over the surfaces of the elbows, knees, scalp, and around or in the ears, navel, genitals or buttocks. Psoriasis is an autoimmune disease that is mediated by T lymphocytes. It is also a very common disease, Chronic plaque psoriasis affects approximately 2% of people around the world. About 10% to 15% of patients with psoriasis develop joint inflammation (inflammatory arthritis). Treatment options include topical steroid creams, topical vitamin D derivatives, other medications, injections of biologic agents, and exposure to ultraviolet light.

See also: Erythrodermic psoriasis; Flexural psoriasis; Guttate psoriasis; Inverse psoriasis; Plaque psoriasis ; Psoriatic arthritis.

Reviewed on 12/27/2018

Health Solutions From Our Sponsors