Nalorfin (Nalorphini hydrochloridum; synonymous with antohin; list a) - specific narcotic antagonist analgesics. Used for acute poisoning, morphine and other narcotic analgesics. Nalorfin administered intravenously, intramuscularly or subcutaneously 1-2 ml of 0.5% solution (8 ml). When labor pain relief narcotic analgesics for the prevention of newborn asphyxia injected into the umbilical vein 0.2-0.5 ml of 0.05% solution (not more than 1.6 ml). Method of production: powder, 0.5% solution in sealed to 1 ml (for adults) and 0.05% solution in vials of 0,5 ml (for infants).