#narcotic_antagonist  an antagonist used to counteract the effects of narcotics (especially to counteract the depression of respiration)
  supertype:  antagonist  a drug that neutralizes or counteracts the effects of another drug
  subtype:  nalorphine__Nalline  a narcotic antagonist (trade name Nalline) that counteracts the effects of narcotics (especially the effects of poisoning by morphine)
  subtype:  naloxone__Narcan  a potent narcotic antagonist (trade name Narcan) especially effective with morphine
  subtype:  naltrexone  an oral antagonist against the action of opiates

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