It is essential for the administering medical professional to be trained in airway management with readily available airway equipment because the drug causes significant respiratory depression and may cause respiratory arrest if given too rapidly or in too high a dose. Other opioid side effects such as heart rhythm irregularity, blood pressure changes and nausea/vomiting can also be present in patients given this drug and should be dealt with accordingly.<unk>  has been associated with extremely rare instances of life-threatening anaphylaxis.
Sufentanil
Fentanyl
Nalorphine
Remifentanil
Alfentanil
Betamethadol
Dexmedetomidine
Dezocine