MedlinePlus Medical Encyclopedia: Post-traumatic stress disorder

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Post-traumatic stress disorder

PTSD is a severe reaction to a traumatic event that involves re-experiencing the event through dreams, recollections or flashbacks. Social support plays a role in protecting people from developing PTSD.

Update Date: 5/4/2004

Updated by: Ram Chandran Kalyanam, M.D., Department of Psychiatry, Western Psychiatric Institute and Clinic of the University of Pittsburgh Medical Center, Pittsburgh, PA. Review provided by VeriMed Healthcare Network.

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