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Definition of Poison ivy

Poison ivy: Skin inflammation that results from contact with the poison ivy vine. Chemicals produced by this vine cause an immune reaction, producing redness, itching, and blistering of the skin. Treatment involves use of topical medications.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=4969
Last Editorial Review: 3/19/2012

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