Delirium (acute confusional state) is a sudden change in a person's mental status, leading to confusion and unusual behaviour.
Symptoms of delirium usually develop over the course of several hours to a few days. Symptoms may fluctuate and often include:
Delirium may be caused by withdrawal from alcohol or drugs or medicines. The development or worsening of an infection or other health problem can also lead to delirium. People who have dementia are more prone to delirium.
Current as of: July 24, 2013
Author: Healthwise Staff
Medical Review: Anne C. Poinier, MD - Internal Medicine & Donald Sproule, MDCM, CCFP - Family Medicine & Peter J. Whitehouse, MD - Neurology
Public health alerts include information about outbreaks, advisories and product recalls. Click on the links below to read the most recent alerts, or visit our Public Health Alerts web page.
If you are looking for health services in your community, you can use our directory to FIND hospitals, clinics, and other resources.
To learn more visit Healthwise.org
© 1995-2014 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
If you or someone in your care has chest pains, difficulty breathing, or severe bleeding, it could be life-threatening. Call 9-1-1 or the local emergency number immediately. If you are concerned about a possible poisoning or exposure to a toxic substance, call Poison Control now at 1-800-567-8911.