<unk>  is an analgesic opioid that is FDA approved for the {{{indicationType}}} of general anesthesia; adjunct, monitored anesthesia care sedation, analgesic component; adjunct, postoperative pain, immediate postoperative period.   Common adverse reactions include cardiovascular: hypotension (19% or less ), dermatologic: pruritus (less than 1% to 18% ), gastrointestinal: nausea (less than 1% to 44% ), vomiting (less than 1% to 22% ), musculoskeletal: muscle rigidity (11% or less) , neurologic: headache (18% or less ).
Remifentanil
Propofol
Fentanyl 
Etomidate
Alfentanil
Ketamine
Metharbital
Mirfentanil