/reference/drugs/analgesics
Fentanyl, sufentanil, morphine, hydromorphone, remifentanil, ketorolac, acetaminophen
Synthetic phenylpiperidine opioid agonist (μ)
μ-opioid receptor agonist. ~100× potency of morphine.
Ultra-short-acting μ-opioid agonist
μ-opioid agonist. Ester linkage hydrolyzed by nonspecific tissue + plasma esterases — no organ-dependent clearance.
Non-selective NSAID (COX-1/COX-2 inhibitor)
Inhibits cyclooxygenase → ↓ prostaglandin synthesis → anti-inflammatory + analgesic + antipyretic.
Para-aminophenol analgesic / antipyretic
Central COX inhibition + endocannabinoid + descending serotonergic modulation. Minimal peripheral COX → no NSAID-like GI/renal/platelet effects.