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PTSD: National Center for PTSD

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PTSD Essentials


PTSD Essentials

The articles below review key information about PTSD, including diagnostic criteria, subtypes and related diagnoses, epidemiology, and a historical overview.

  • PTSD and DSM-5
    Describes the DSM-5 diagnostic criteria for PTSD, which remain unchanged in DSM-5-TR, and includes an overview of revisions from DSM-IV.
  • Epidemiology and Impact of PTSD
    Reviews key findings about PTSD prevalence among the U.S. general population and Veterans of different service eras.
  • 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 and Other Recurring Trauma Reminders
    Discusses recurring trauma reminders, such as anniversary reactions or annual celebrations, and offers suggestions to support patient self-care and symptom management.

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PTSD 101: PTSD Overview

This PTSD 101 online course describes the DSM-5 diagnostic criteria, risk factors, and evidence-based treatments for PTSD.

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Patient Education

Tools to help your patients understand PTSD.

Are you treating Veterans with PTSD? We can help. PTSD Consultation Program for providers who treat veterans.

PTSD Consultation Program

Expert guidance for treating Veterans with PTSD.

PTSD Information Voice Mail: (802) 296-6300
Also see: VA Mental Health