Piridocaine hydrochloride, also known as Lucaine hydrochloride, is primarily used as a local anesthetic in medical and dental procedures. Its fast-acting properties make it suitable for numbing specific areas of the body to minimize pain during minor surgeries, injections, or dental work. It is particularly effective for surface anesthesia, providing quick relief with a relatively short duration of action. Additionally, it is sometimes used in topical formulations to alleviate pain from skin irritations, burns, or minor wounds. Its low toxicity profile ensures it is well-tolerated by patients, making it a reliable choice for localized pain management.