Naloxone, the opioid overdose antidote, is a powerful tool in the overdose crisis, allowing friends, loved ones and even bystanders a way to put a fatal overdose in reverse and bring back breathing.

Along the same vein, IN antidotes to narcotics and benzodiazepines (such as naloxone and flumazenil, respectively), have been tested to a limited extent, but with good results. The administration ...