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PTSD: National Center for PTSD

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PTSD Essentials

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PTSD Essentials

Posttraumatic Stress Disorder (PTSD) can occur after someone goes through a traumatic event like combat, assault, or disaster. These articles provide the foundation for an understanding of the disorder.

  • PTSD and DSM-5
    Describes the DSM-5 diagnostic criteria for PTSD, including an overview of revisions from DSM-IV.
  • Epidemiology of PTSD
    Explains epidemiology and important findings about PTSD including prevalence statistics for different demographic or Veteran groups.
  • Acute Stress Disorder
    An overview of acute stress disorder, including: who is at risk, how is it treated, and how is it related to PTSD.
  • Dissociative Subtype of PTSD
    Describes the dissociative subtype of PTSD included in DSM-5 including a review of the rationale and evidence for inclusion, diagnosis, and treatment considerations.
  • Complex PTSD
    Causes, symptoms, and treatment considerations for Complex PTSD, a proposed disorder that can occur after prolonged, repeated trauma.
  • PTSD History and Overview
    The history of PTSD, the PTSD diagnosis, and the criteria needed to meet a diagnosis of PTSD.
  • Anniversary Reactions: Research Findings
    Discusses how the anniversary of a traumatic event can increase distress and PTSD symptoms, including research findings and suggestions for help.

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Get help for PTSD

If you need help right away:

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PTSD Information Voice Mail:
(802) 296-6300
ncptsd@va.gov
Also see: VA Mental Health