OverviewPTSD 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 2/2/2016
Updated by: Fred K. Berger, MD, addiction and forensic psychiatrist, Scripps Memorial Hospital, La Jolla, CA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.