Stephen J. Schueler, M.D.

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Psoriasis Incidence

Facts about psoriasis:

  • Psoriasis usually affects the elbows, knees and scalp.
  • About 1 out of 100 people in the US have psoriasis.
  • About 1 out of 10 cases occur in children under the age of 10.
  • Psoriasis occurs most often in Caucasians and the Japanese.
  • Psoriasis usually begins between the ages of 15 and 35 years.

Continue to Psoriasis Risk Factors

Last Updated: Jul 8, 2009 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Psoriasis References
  1. Aaronson DS, Lebwohl M. Review of therapy of psoriasis: the prebiologic armamentarium. Dermatol Clin. 2004 Oct;22(4):379-88, viii. [15450334]
  2. Afifi T, de Gannes G, Huang C, Zhou Y. Topical therapies for psoriasis: evidence-based review. Can Fam Physician. 2005 Apr;51:519-25. [15856971]
  3. Bruner CR, Feldman SR, Ventrapragada M, Fleischer AB Jr. A systematic review of adverse effects associated with topical treatments for psoriasis. Dermatol Online J. 2003 Feb;9(1):2. [12639460]
  4. Mason J, Mason AR, Cork MJ. Topical preparations for the treatment of psoriasis: a systematic review. Br J Dermatol. 2002 Mar;146(3):351-64. [11952534]
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