Merck Manual

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Overview of Trauma- and Stress-Related Disorders

By

John W. Barnhill

, MD, Weill Cornell Medical College and New York Presbyterian Hospital

Last full review/revision Apr 2020| Content last modified Apr 2020
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Trauma- and stress-related disorders result from exposure to a traumatic or stressful event. Specific disorders include acute stress disorder and posttraumatic stress disorder. These disorders cause similar symptoms but differ in how long they last.

Acute stress disorder typically begins immediately after the event and lasts from 3 days to 1 month.

Posttraumatic stress disorder lasts for more than 1 month. It may develop as a continuation of acute stress disorder or develop separately up to 6 months after the event.

Although depression and anxiety are often prominent, people with trauma-related disorders often have a wide variety of symptoms that may not obviously seem related to the traumatic event. For example, people may act aggressively, be unable to experience pleasure, and/or feel restless, discontented, angry, numb, or disconnected from themselves and others.

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NOTE: This is the Consumer Version. DOCTORS: Click here for the Professional Version
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