Repeated, disturbing dreams of the stressful experience.

Suddenly feeling or acting as if the stressful experience were happening again (flashbacks).

Feeling very upset when something reminds you of the stressful experience.

Having strong physical reactions when something reminds you of the stressful experience.

Avoiding memories, thoughts, or feelings related to the stressful experience.

Avoiding external reminders of the stressful experience (people, places, activities).

Trouble remembering important parts of the stressful experience.

Having strong negative beliefs about yourself, other people, or the world.

Blaming yourself or someone else for the stressful experience.

Having strong negative feelings such as fear, horror, anger, guilt, or shame.

Loss of interest in activities that you used to enjoy.

Feeling distant or cut off from other people.

Trouble experiencing positive feelings (happiness, love, joy).

Irritable behavior, angry outbursts, or acting aggressively.

Taking too many risks or doing things that could cause you harm.

Being 'superalert', watchful or on guard (hypervigilant).

Feeling jumpy or easily startled.

Having difficulty concentrating.

Trouble falling or staying asleep.