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Definition

By Mayo Clinic staff

Contact dermatitis is a kind of skin inflammation that occurs when substances touching your skin cause irritation or an allergic reaction. The resulting red, itchy rash isn't contagious or life-threatening, but it can be very uncomfortable.

Culprits in everyday life include soaps, cosmetics, fragrances, jewelry, or plants such as poison ivy or poison oak. Some occupations involve exposure to substances that may cause contact dermatitis.

Successful contact dermatitis treatment consists primarily of identifying what's causing your reaction. If you can avoid that offending agent, the rash usually resolves in two to four weeks. Self-care measures, such as wet compresses and anti-itch creams, can help soothe your skin and reduce inflammation.

References
  1. Weston WL, et al. Overview of dermatitis. http://www.uptodate.com/home/index.html. Accessed April 26, 2011.
  2. Seyfarth F, et al. Teaching interventions in contact dermatitis. Dermatitis. 2011;22:8.
  3. Habif TP. Contact dermatitis and patch testing. In: Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 5th ed. Edinburgh, U.K.; New York, N.Y.: Mosby Elsevier; 2010. http://www.mdconsult.com/books/about.do?about=true&eid=4-u1.0-B978-0-7234-3541-9..X0001-6--TOP&isbn=978-0-7234-3541-9&uniqId=230100505-57. Accessed April 6, 2011.
  4. Zug KA, et al. Patch-test results of the North American Contact Dermatitis Group 2005-2006. Dermatitis. 2009;20:149.
  5. Usatine RP, et al. Diagnosis and management of contact dermatitis. American Family Physician. 2010;82:249.
  6. McCoy K. Lichen simplex chronicus. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merckmanuals.com/professional/sec10/ch114/ch114f.html. Accessed April 29, 2011.
  7. Kerr A, et al. Photoallergic contact dermatitis. Photodermatology, Photoimmunology and Photomedicine. 2010;26:56.
DS00985 July 30, 2011

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