Mental Health & Substance Use

Post-traumatic stress disorder

Also called: PTSD

What does Post-traumatic stress disorder mean?

A trauma-related disorder that can include intrusive memories, avoidance and heightened arousal.

U.S. National Library of Medicine
Understanding Medical Words ↗ National Cancer Institute
Cancer Terms Dictionary ↗ CDC
Vaccine Glossary ↗

This is a plain-language Healthway explanation, not an individual diagnosis. The meaning of a term can change with the clinical context in which it appears.