Pentazocine Hydrochloride

**Semantic type:** Pharmacologic Substance

**Definition:** The hydrochloride salt form of pentazocine, a benzomorphan narcotic agonist-antagonist. Pentazocine hydrochloride binds to and activates kappa- and sigma-opioid receptors, resulting in sedation and analgesia. In addition, this agent antagonizes the mu-receptor. Pentazocine hydrochloride partially reverses opiate-induced cardiovascular, respiratory, and behavioral depression.

**Synonyms:** - 2,6-Methano-3-benzazocin-8-ol, 1,2,3,4,5,6-Hexahydro-6,11-dimethyl-3-(3-methyl-2-butenyl)-, Hydrochloride, (2R,6R,11R)-rel- - PENTAZOCINE HYDROCHLORIDE - Talwin