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Capsaicin (Zostrix), available without a prescription, is a pain reliever that comes in a cream that you apply directly to your skin (topical analgesic). It has been found to relieve joint pain from osteoarthritis in some people when rubbed into the...
Covers capsaicin found in some hot peppers. Looks at its use as dietary supplement to improve digestion and fight infection, topical skin products to relieve headaches and joint pain, and skin patch for postherpetic neuralgia. Covers safety, side effects.