Criterion A: stressorThe person has been exposed to a traumatic event in which both of the following have been present:
1. The person has experienced, witnessed, or been confronted with an event or events that involve actual or threatened death or serious injury, or a threat to the physical integrity of oneself or others.2 The person's response involved intense fear, helplessness, or horror. Note: in children, it may be expressed instead by disorganized or agitated behavior.
Criterion B: intrusive recollectionThe traumatic event is persistently re-experienced in at least one of the following ways:
1. Recurrent and intrusive distressing recollections of the event, including images, thoughts, or perceptions. Note: in young children, repetitive play may occur in which themes or aspects of the trauma are expressed.2. Recurrent distressing dreams of the event. Note: in children, there may be frightening dreams without recognizable content3. Acting or feeling as if the traumatic event were recurring (includes a sense of reliving the experience, illusions, hallucinations, and dissociative flashback episodes, including those that occur upon awakening or when intoxicated). Note: in children, trauma-specific reenactment may occur.4. Intense psychological distress at exposure to internal or external cues that symbolize or resemble an aspect of the traumatic event.5. Physiologic reactivity upon exposure to internal or external cues that symbolize or resemble an aspect of the traumatic event
Criterion C: avoidant/numbingPersistent avoidance of stimuli associated with the trauma and numbing of general responsiveness (not present before the trauma), as indicated by at least three of the following:
1. Efforts to avoid thoughts, feelings, or conversations associated with the trauma2. Efforts to avoid activities, places, or people that arouse recollections of the trauma3. Inability to recall an important aspect of the trauma4. Markedly diminished interest or participation in significant activities5. Feeling of detachment or estrangement from others6. Restricted range of affect (e.g., unable to have loving feelings)7. Sense of foreshortened future (e.g., does not expect to have a career, marriage, children, or a normal life span)
Criterion D: hyper-arousalPersistent symptoms of increasing arousal (not present before the trauma), indicated by at least two of the following:
1. Difficulty falling or staying asleep2. Irritability or outbursts of anger3. Difficulty concentrating4. Hyper-vigilance5. 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 monthsChronic: if duration of symptoms is three months or more
With or Without delay onset: Onset of symptoms at least six months after the stressor (APA, 2000, page 427-28).