Tetracaine hydrochloride for medical use because of its strong anesthetic effect. It is primarily used in ophthalmic surgeries, spinal anesthesia, and some dental procedures. It has a long duration of action, so it is used for more intense procedures that require longer anesthesia. Tetracaine acts by blocking nerve impulses, thus preventing pain during the procedure. Like other anesthetics, it must be used with caution, as it can cause adverse reactions such as respiratory depression or cardiovascular instability. Healthcare providers must carefully administer tetracaine hydrochloride and monitor patients closely for any signs of complications during and after treatment.