Autonomic
Tachycardia, other cardiac arrhythmias
Hypertension
Hypotension
Diaphoresis
Fever progressing to hyperthermia
Motor
Rigidity/dystonia
Akinesia
Mutism
Dysphagia
Behavioral
Agitation
Incontinence
Delirium
Seizures
Coma
Laboratory
Increased creatine kinase
Abnormal liver function tests
Increased white blood cell count