lidocaine hydrochloride powder This product can act on the central nervous system, causing adverse reactions such as drowsiness, paresthesia, muscle tremor, convulsions, coma, and respiratory depression.
lidocaine hydrochloride powder It can cause hypotension and bradycardia. Too high blood concentration can cause slowing of atrial conduction velocity, atrioventricular conduction block, and inhibition of myocardial contractility and cardiac output.