Definitions for "Naloxone"
(Narcan) is a drug used to counter the effects of overdosing on opiates such as heroin or morphine.
A drug that blocks the pain alleviation ascribed to endorphins and inhibits the effect of morphine and similar opiates by binding to opiate receptors in the brain.
a potent narcotic antagonist (trade name Narcan) especially effective with morphine