Repeated, disturbing memories, thoughts, or images of a stressful experience from the past?
Repeated, disturbing dreams of a stressful experience from the past?
Suddenly acting or feeling as if a stressful experience were happening again (as if you were reliving it)?
Feeling very upset when something reminded you of a stressful experience from the past?
Having physical reactions (e.g., heart pounding, trouble breathing, or sweating) when something reminded you of a stressful experience from the past?