Lidocaine hydrochloride stops the feeling of pain. It can be used During medical procedures. Lidocaine hydrochloride Also can be used to treat Un certain types of irregular heartbeats.Lidocaine HCL used topically to relieve itching, burning and pain of inflamed skin inhibit ion fluxes across membranes, particularly sodium transport across the cell membrane, increase decreases depolarization phase action potential blocking nerve action potential;Indications: local dental anesthetic peripheral nerve blocks , caudal anesthesia , epidural spinal anesthesia, surgery.Treatment consists essentially maintaining the circulation and respiration and controlling seizures. The circulation can be maintained with plasma infusions or electrolyte solutions suitable . Seizures can be controlled by intravenous diazepam.