Laryngospasm
Apnea, respiratory depression
Hypotension
Myocardial depression
Seizures
Hiccups, muscle twitching, coughing
Shivering
Salivation
Emergence reaction
Anxiety, restlessness
Headache
Nausea/vomiting, abdominal pain
Erythema, pruritus, urticaria
Rhinitis
Thrombophlebitis
Injection site pain
Methohexital
Edrophonium
Doxylamine
Atropine
Tizanidine
Neostigmine
Succinylcholine
Fomepizole