What are the signs and symptoms of PTSD?
The three groups of symptoms that are required to assign the diagnosis of PTSD are • recurrent re-experiencing of the trauma (for example, troublesome memories, flashbacks that are usually caused by reminders of the traumatic events, recurring nightmares about the trauma and/or dissociative reliving of the trauma), • avoidance to the point of having a phobia of places, people, and experiences that remind the sufferer of the trauma and a general numbing of emotional responsiveness, and • chronic physical signs of hyperarousal, including sleep problems, trouble concentrating, irritability, anger, poor concentration, blackouts or difficulty remembering things, increased tendency and reaction to being startled, and hypervigilance to threat. The emotional numbing of PTSD may present as a lack of interest in activities that used to be enjoyed (anhedonia), emotional deadness, distancing oneself from people, and/or a sense of a foreshortened future (for example, not being able to think about t