Criterion 1 (one required): I was exposed to one or more of the following: death, threatened death, actual or threatened serious injury, or actual or threatened sexual violence...

And I was exposed to it in any of the following way(s):

* Direct exposure

* Witnessing the trauma

* Learning that a relative or close friend was exposed to a trauma

* Indirect exposure to aversive details of the trauma, usually in the course of professional duties (e.g., first responders, medics)

Criterion 2 (one required): I persistently re-experienced the traumatic event, in any of the following way(s):

* Unwanted upsetting memories

* Nightmares

* Flashbacks

* Emotional distress after exposure to traumatic reminders

* Physical reactivity after exposure to traumatic reminders

Criterion 3 (one required): I now avoid specific  trauma-related stimuli (things which remind me of the traumatic event/events, in the following way(s):

* Trauma-related thoughts or feelings (I don't want to think about it)

* Trauma-related reminders (I avoid people, places, sounds, smells, or other things which "trigger me" or take me back to the trauma-event)

Criterion 4 (two required): I have negative thoughts or feelings that either began or worsened after the trauma, in at least two of the following way(s):

* Inability to recall key features of the trauma

* Overly negative thoughts and assumptions about oneself or the world

* Exaggerated blame of self or others for causing the trauma

* Negative affect (I feel "down" a lot)

* Decreased interest in activities

* Feeling isolated

* Difficulty experiencing positive affect (a lack of ongoing joy)

Criterion 5 (two required): I became more sensitive to trauma. It either began or worsened after the traumatic event(s), in at least two of the following way(s):

* Irritability or aggression

* Risky or destructive behavior (i.e., even an addiction to sex, drugs, alcohol, or taking more risks financially, etc.)

* Hyper-vigilance

* Heightened startle reaction

* Difficulty concentrating

* Difficulty sleeping

Criterion 6 (required): My symptoms have lasted for more than 1 month (i.e., I'm not just having a bad day or a bad week- this is an ongoing feeling).

Criterion 7 (required): The symptoms  I experience create distress or functional impairment (e.g., social, occupational). They hinder me from normal function.

Criterion 8 (required): My symptoms are NOT due to medication, substance use, or other illness.

(Read the answers carefully.)

Criterion 9: Dissociative Specification. A person with "formal" PTSD experiences high levels of either of the following in reaction to trauma-related stimuli:

See if either (or both) applies to you-- 

Depersonalization. I sometimes feel like I'm outside of my life, looking in- like an outside observer of or detached from myself (e.g., feeling as if "this is not happening to me,” as if one were in a dream).

And/or...

Derealization. I sometimes have the perception  of unreality, distance, or distortion (e.g., "things are not real").

Criterion 10: Delayed Specification. Full diagnostic criteria are not met until at least six months after the trauma(s), although onset of symptoms may occur immediately.

Have your symptoms persisted for longer than 6 months from the time the event(s) occurred?