Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 10/10/2025

Management of Agitation in Hepatic Encephalopathy

Clinical Context and Recommendations

  • The American Association for the Study of Liver Diseases recommends avoiding sedation whenever possible in patients with hepatic encephalopathy, as sedatives can precipitate or worsen the neurological state 1
  • The management of agitation in hepatic encephalopathy should prioritize non-pharmacological measures, such as a quiet environment, physical restraint if necessary, and minimization of stimuli, before considering pharmacological interventions 1

Pharmacological Management

  • Benzodiazepines should be avoided in patients with hepatic encephalopathy due to their deleterious effects and prolonged clearance in liver failure 2
  • Haloperidol is a safer option than benzodiazepines for managing agitation in patients with liver disease, according to the Society of Critical Care Medicine 3

Special Considerations

  • In acute liver failure, benzodiazepines with short action may be used in small doses to manage unmanageable agitation, but this is a limited exception to the general recommendation to avoid benzodiazepines in hepatic encephalopathy 1
  • The use of benzodiazepines should be limited to controlling seizures, and only in minimal doses of short-acting agents, due to their prolonged half-life in liver failure 2

Warning and Precautions

  • Sedatives should not be used to manage agitation without first addressing underlying precipitating factors of encephalopathy, as recommended by the American College of Gastroenterology 2
  • Metoclopramide and other psychotropics should be avoided as they can precipitate or worsen encephalopathy 2