Criteria for Posttraumatic Stress Disorder:

	the person experienced, witnessed, or was confronted with an event that involved actual or threatened death or serious injury, or a threat to the physical integrity of self or others
	the person's response involved intense fear, helplessness, or horror. In children, this may be expressed by disorganized or agitated behavior;
	the traumatic event is persistently reexperienced in one or more of the following ways: recurrent and intrusive distressing recollections of the event recurrent distressing dreams of the event acting or feeling as if the traumatic event were recurring intense psychological distress at exposure to internal or external cues that symbolize or resemble an aspect of the traumatic event physiological reactivity on exposure to internal or external cues that symbolize or resemble an aspect of the traumatic event
	persistent avoidance of stimuli associated with the trauma and numbing of general responsiveness (not present before the trauma), as indicated by three or more of the following: efforts to avoid thoughts, feelings, or conversations associated with the trauma efforts to avoid activities, places, or people that arouse recollections of the trauma inability to recall an important aspect of the trauma markedly diminished interest or participation in significant activities feeling of detachment or estrangement from others restricted range of emotions sense of foreshortened future (does not expect to have a career, marriage, etc)
	persistent symptoms of increased arousal as indicated by two or more of the following: difficulty falling or staying asleep irritability or outbursts of anger difficulty concentrating hypervigilance exaggerated startle response
	duration of the disturbance is more than one month
	the disturbance causes clinically significant distress or impairment in social, occupational, or other important areas of functioning

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