Alfentanil (Alfenta) is a parenteral short-acting synthetic opioid analgesic drug, used for anaesthesia in surgery. While it gives less cardiovascular complications, it tends to give stronger respiratory depression. Alfentanil is a Schedule I drug under the Single Convention on Narcotic Drugs*.

Alfentanil - MedlinePlus - Information for consumers from the National Library of Medicine.
Meta Description: [ Alfentanil Hydrochloride Injection ]