PR (Menthol): Uses, Side Effects & Interactions
PR is a topical analgesic formulation relying on the active ingredient menthol to deliver rapid, localized relief from minor musculoskeletal pain. The most frequently observed side effect is mild application site erythema or a transient burning sensation on the skin surface. By functioning as a powerful counterirritant, menthol successfully overrides underlying pain signals, providing immediate … Read more