| naloxone | <drug> An alkaloid antagonist of morphine and of the opiate peptides. (18 Nov 1997) |
|---|---|
| naloxone hydrochloride | 1-N-Allyl-7,8-dihydro-14-hydroxymorphinone hydrochloride;a potent antagonist of endorphins and narcotics, including pentazocine; devoid of pharmacologic action when administered without narcotics. (05 Mar 2000) |