- Contents
- What is post-traumatic stress disorder, or PTSD?
- Who gets PTSD?
- What are the symptoms of PTSD?
- Do children react differently than adults?
- How is PTSD detected?
- Why do some people get PTSD and other people do not?
- How is PTSD treated?
- Psychotherapy
- Medications
- Other medications
- Treatment after mass trauma
- What efforts are under way to improve the detection and treatment of PTSD?
- How can I help a friend or relative who has PTSD?
- How can I help myself?
- Where can I go for help?
- What if I or someone I know is in crisis?
- Citations
- For more information on post-traumatic stress disorder (PTSD)
What is post-traumatic stress disorder, or PTSD?
PTSD is an anxiety disorder that some people get after seeing or living through a dangerous event.
When in danger, it’s natural to feel afraid. This fear triggers many split-second changes in the body to prepare to defend against the danger or to avoid it. This “fight-or-flight” response is a healthy reaction meant to protect a person from harm. But in PTSD, this reaction is changed or damaged. People who have PTSD may feel stressed or frightened even when they’re no longer in danger.
Options
Related Information
- See all NIMH publications about:
- Browse Mental Health Topics
- About NIMH Publications




