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 11/10/2022
Updated by: John D. Jacobson, MD, Department of Obstetrics and Gynecology, Loma Linda University School of Medicine, Loma Linda, CA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.