This medication is used to help relieve moderate to severe pain. Hydromorphonebelongs to a class of drugs known as opioid analgesics. It works in the brain to change how your body feels and responds to pain
Oxycodone is a semi-synthetic, morphine-like opioid alkaloid with analgesic activity. Oxycodone exerts its analgesic activity by binding to the mu-receptors in the central nervous system (CNS), thereby mimicking the effects of endogenous opioids.