Oxymorphone Hydrochloride

**Semantic type:** Pharmacologic Substance

**Definition:** The hydrochloride salt form of oxymorphone, a semisynthetic opioid with a potent analgesic property. Oxymorphone hydrochloride binds to and activates opiate receptors, specifically mu-receptors, in the central nervous system (CNS). This results in sedation, analgesia, decreased gastrointestinal motility, and respiratory depression.

**Synonyms:** - 4,5-alpha-Epoxy-3,14-dihydroxy-17-methylmorphinan-6-one Hydrochloride - Numorphan - OXYMORPHONE HYDROCHLORIDE - Opana - Opana ER