lidocaine hydrochloride is a local anesthetic that is also used in the emergency treatment of ventricular arrhythmias. lidocaine hydrochloride With the in-depth study of lidocaine, it is found that it also shows better effects in the treatment of other diseases. This will be summarized below. Treatment of severe neonatal convulsions: For those with recurrent convulsions, the initial loading dose of lidocaine is 2 mg/kg, plus the initial maintenance dose of 6 mg/kg intravenously per hour, and the dose is gradually reduced within 3 days.