Criterion D: hyper-arousal
Persistent symptoms of increasing arousal (not present before the trauma), indicated by at least two of the following:
1. Difficulty falling or staying asleep
2. Irritability or outbursts of anger
3. Difficulty concentrating
5. Exaggerated startle response
Criterion E: duration
Duration of the disturbance (symptoms in B, C, and D) is more than one month.
Criterion F: functional significance
The disturbance causes clinically significant distress or impairment in social, occupational, or other important areas of functioning.
Acute: if duration of symptoms is less than three months
Chronic: if duration of symptoms is three months or more
With or Without delay onset: Onset of symptoms at least six months after the stressor