Veterans Affairs banner with U.S. FlagVeterans Affairs banner with U.S. Flag

National Center for PTSD

General Facts

What is PTSD?

Answers basic questions about the signs and symptoms of PTSD, who gets it, how common it is, and what treatments are available

Effects of Traumatic Experiences

PTSD is just one of the many effects of experiencing trauma. Learn about the other common primary and secondary effects of trauma.

Posttraumatic Stress Disorder: An Overview

This is a revised version of an overview of the subject from the Encyclopedia of Psychology.

Epidemiological Facts about PTSD

How common is PTSD, and who is most likely to get it? Information about rates of PTSD in the United States among different populations

Frequently asked questions about PTSD

FAQ: the most common questions we receive are answered.