Posttraumatic stress disorder (PTSD) is a type of stress reaction that is brought on by a traumatic event and characterized by flashbacks of the experience in the form of disturbing dreams or intrusive recollections, a sense of emotional numbing or restricted range of feelings, and heightened body arousal.

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PTSD is indeed a psychiatric disorder that can occur in people who have experienced or witnessed a traumatic event. It is characterized by symptoms such as flashbacks, nightmares, severe anxiety, and uncontrollable thoughts about the event, along with emotional numbing and heightened arousal.

Posttraumatic Stress Disorder (PTSD) Is a Type of Stress Reaction