PTSD
The required intrusion, avoidance, cognition/mood, and arousal symptoms persist for more than 1 month after qualifying trauma exposure.
Timing requirement
Duration
More than 1 month
1 wk1 mo6 mo1 yr2 yr
Timing in context
Symptoms lasting 3 days to 1 month may fit acute stress disorder when its other criteria are met.
Sources and review
Last content review: August 21, 2026 · PsychDB ↗