Brief reactive psychosis is triggered by extreme stress (such as a traumatic accident or loss of a loved one), and is followed by a return to the previous level of function. The person may or may not be aware of the strange behavior.
This condition most often affects people in their 20s, 30s, and 40s. People who have personality disorders are at greater risk for having a brief reactive psychosis.
International Early Psychosis Association Writing Group. International clinical practice guidelines for early psychosis. Br J Psychiatry. 2005;187:s120-s124.
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