<unk>  <unk>  is an anxiety disorder that can develop after exposure to a terrifying event or ordeal in which grave physical harm occurred or was threatened. It is a severe and ongoing emotional reaction to an extreme psychological trauma. This stressor may involve someone's actual death or a threat to the patient's or someone else's life, serious physical injury, or threat to physical and/or psychological integrity, to a degree that usual psychological defenses are incapable of coping.
It is important to make a distinction between<unk>  and<unk>  stress, which is a similar condition, but of less intensity and duration. The condition has also been known historically or colloquially as shell shock,<unk>  war neurosis, or post-traumatic stress syndrome (PTSS).
Post traumatic stress disorder
Complex post traumatic stress disorder
Adjustment disorder
Somatization disorder
Acute stress disorder
Separation anxiety disorder
Substance-related disorder
Somatoform disorder