1. Avoidance of or efforts to avoid activities, places, or physical reminders that arouse
recollections of the traumatic event(s).
2. Avoidance of or efforts to avoid people, conversations, or interpersonal situations
that arouse recollections of the traumatic event(s).
Negative Alterations in Cognitions
3. Substantially increased frequency of negative emotional states (e.g., fear, guilt,
sadness, shame, confusion).
4. Markedly diminished interest or participation in significant activities, including con-
striction of play.
5. Socially withdrawn behavior.
6. Persistent reduction in expression of positive emotions.
D. Alterations in arousal and reactivity associated with the traumatic event(s), beginning
or worsening after the traumatic event(s) occurred, as evidenced by two (or more) of
the following:
1. Irritable behavior and angry outbursts (with little or no provocation) typically ex-
pressed as verbal or physical aggression toward people or objects (including ex-
treme temper tantrums).
2. Hypervigilance.
3. Exaggerated startle response.
4. Problems with concentration.
5. Sleep disturbance (e.g., difficulty falling or staying asleep or restless sleep).
E. The duration of the disturbance is more than 1 month.