3d rendering of alfentanil an opioid analgesic drug molecule. concept chemical ,

rendering alfentanil opioid analgesic drug molecule pain relief anesthesia synthetic potent pharmacology chemical structure medical pharmaceutical sedative intravenous administration rapid onset shortacting surgery management receptor respiratory depression controlled substance addiction potential side effects dosage form intramuscular injection pharmacokinetics metabolism excretion therapeutic use induction agent postoperative care aigenerated