External Analgesic (Camphor, Capsaicin, Menthol): Uses, Side Effects & Interactions
External Analgesic products containing camphor, capsaicin, and menthol are topical agents formulated to provide localized relief for muscular and joint pain. The most notable side effect is application site irritation manifesting as a distinct burning sensation or localized erythema due to the intense sensory stimulation properties of the active ingredients. 1. Introduction and Mechanism of … Read more