Admit, usually to ICU
Neuroleptic malignant syndrome
Serotonin Syndrome
Limbic encephalitis
Serotonin syndrome more likely to have hyperreflexia, myoclonus, ataxia, nausea and vomiting, diarrhea
Osmotic demyelination syndrome
Rigidity and hyperthermia, if present, is less severe than in NMS; more commonly presents with clonus and hyperreflexia
Posterior reversible encephalopathy syndrome
Malignant Hyperthermia