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.
Review Date: 3/8/2013 Reviewed By: Fred K. Berger, MD, Addiction and Forensic Psychiatrist, Scripps Memorial Hospital, La Jolla, California. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, Bethanne Black, Stephanie Slon, and Nissi Wang.