Definition of Capsaicin
Capsaicin: A component of certain plants, including cayenne and red pepper, used topically to relieve minor arthritis pain and nerve pain. Capsaicin is in creams such as Arthricare and Zostrix that are applied to the skin. It appears to work by reducing a chemical substance found at nerve endings that is involved in transmitting pain signals to the brain.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=33741
Last Editorial Review: 7/31/2004
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