TOMORROW! I will be conducting FREE narcan (naloxone*) training and distribution at @muddguts 12-4pm. Takes 10 mins... saves 1 life. Hope to see you there! #narcan#naloxone ..... *Naloxone, Sold under the brand-name Narcan among others, is a medication used to block the effects of opioids... especially during an overdose. It works by reversing the depression of the central nervous system and respiratory system caused by opioids. Naloxone Nasal spray is incredibly easy to administer and has absolutely no effect on anyone (adult or child) who is not under the influence of an opioid.