Abstract
BackgroundThe management of acute agitation in the emergency department often requires the administration of rapid-acting antipsychotic agents. However, there are few comparative studies and little guidance regarding the risks associated with use of such drugs in the acute setting. ObjectiveThis structured evidence-based review compared the safety of antipsychotic pharmacotherapies for acute agitation using data from randomized controlled trials identified by a literature search of the PubMed database. ResultsBased on findings from 34 blinded, randomized controlled trials, common acute adverse effects of second-generation antipsychotics and haloperidol were headache, dizziness, insomnia, and somnolence. There were some differences in incidence of extrapyramidal symptoms (EPS), degree of sedation, and acute QTc prolongations between agents. ConclusionsThe results of this review demonstrate the improved safety (particularly regarding EPS and over-sedation) of certain newer-generation antipsychotic agents compared with haloperidol and benzodiazepines for the treatment of acutely agitated patients. The risk of prolonged QT interval and torsade de pointes needs to be considered with haloperidol and some of the second-generation antipsychotics.
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