Adverse effects are described in the anesthesia literature and the most serious side effect is in patients with a known hypersensitivity to<unk> 
Anaphylaxis (0.3%), hypersensitivity reaction
Bradycardia/Asystole (1-5%) 
Prolonged QT
Nausea/vomiting
Headache
Coughing
Extremity pain
Parosmia, hypoesthesia
Sugammadex
Pralidoxime
Fomepizole
Etomidate
Neostigmine
Succinylcholine
Physostigmine
Naloxone