Topical pain relievers for burns work primarily by providing analgesic effects, reducing inflammation, and promoting healing. These formulations often contain active ingredients such as lidocaine, benzocaine, or pramoxine, which are local anesthetics. These compounds block sodium channels in nerve cells, preventing the transmission of pain signals to the brain, thereby providing relief from the burning sensation.
Additionally, some topical treatments include anti-inflammatory agents like hydrocortisone or aloe vera, which help reduce swelling and redness by inhibiting the production of inflammatory mediators. This can further alleviate discomfort and promote a more conducive environment for healing.
Moisturizing agents, such as glycerin or lanolin, are often included to maintain skin hydration, which is crucial for the healing process. Keeping the burn area moist prevents the formation of a hard scab, which can delay healing and increase pain.
Some formulations may also contain antimicrobial agents like silver sulfadiazine or iodine, which help prevent infection—a common complication in burn injuries. By reducing the risk of infection, these agents indirectly contribute to pain relief and faster recovery.
In summary, topical pain relievers for burns work through a combination of anesthetic, anti-inflammatory, moisturizing, and antimicrobial actions, collectively aimed at reducing pain, preventing infection, and promoting healing.