Johns Hopkins Psychiatry Guide
Post-Traumatic Stress Disorder
DEFINITION
- A prolonged distressing or impairing reaction (>1 month) to exposure to traumatic event(s) characterized by involuntary intrusive reminders, avoidance of associated stimuli, negative alterations in mood and cognition, and/or hyperarousal/reactivity.[1]
There's more to see -- the rest of this topic is available only to subscribers.
Last updated: October 3, 2025
Citation
Ghazikhanian, Stephen E, et al. "Post-Traumatic Stress Disorder." Johns Hopkins Psychiatry Guide, The Johns Hopkins University, 2025. Johns Hopkins Guides, www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Psychiatry_Guide/787066/3.1/Post_Traumatic_Stress_Disorder.
Ghazikhanian SE, Thornquist MH, Bienvenu O. Post-Traumatic Stress Disorder. Johns Hopkins Psychiatry Guide. The Johns Hopkins University; 2025. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Psychiatry_Guide/787066/3.1/Post_Traumatic_Stress_Disorder. Accessed October 7, 2025.
Ghazikhanian, S. E., Thornquist, M. H., & Bienvenu, O. (2025). Post-Traumatic Stress Disorder. In Johns Hopkins Psychiatry Guide. The Johns Hopkins University. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Psychiatry_Guide/787066/3.1/Post_Traumatic_Stress_Disorder
Ghazikhanian SE, Thornquist MH, Bienvenu O. Post-Traumatic Stress Disorder [Internet]. In: Johns Hopkins Psychiatry Guide. The Johns Hopkins University; 2025. [cited 2025 October 07]. Available from: https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Psychiatry_Guide/787066/3.1/Post_Traumatic_Stress_Disorder.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Post-Traumatic Stress Disorder
ID - 787066
A1 - Ghazikhanian,Stephen,M.D.
AU - Thornquist,Mary Thornquist,Ph.D.
AU - Bienvenu,O. Joseph,M.D., Ph.D.
Y1 - 2025/10/03/
BT - Johns Hopkins Psychiatry Guide
UR - https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Psychiatry_Guide/787066/3.1/Post_Traumatic_Stress_Disorder
PB - The Johns Hopkins University
DB - Johns Hopkins Guides
DP - Unbound Medicine
ER -
