post-traumatic stress disorder

Definition / meaning of post-traumatic stress disorder

An anxiety disorder that develops in reaction to physical injury or severe mental or emotional distress, such as military combat, violent assault, natural disaster, or other life-threatening events. Having cancer may also lead to post-traumatic stress disorder. Symptoms interfere with day-to-day living and include reliving the event in nightmares or flashbacks; avoiding people, places, and things connected to the event; feeling alone and losing interest in daily activities; and having trouble concentrating and sleeping. Also called PTSD.

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Find More About 'post-traumatic stress disorder'

Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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