A 47 year old ex-soldier suffers from low mood and anxiety. He can’t forget the images he faces before and has always had flashbacks. He is not able to watch the news because there are usually some reports about war. What is he suffering from?

The key is B. PTSD. [Repeated flashbacks and tendency to avoid the thoughts of stressor is diagnostic of PTSD . PTSD is diagnosed after a person experiences symptoms for at least one month following a traumatic event. However symptoms may not appear until several months or even years later. The disorder is characterized by three main types of symptoms: Re-experiencing the trauma through intrusive distressing recollections of the event, flashbacks, and nightmares. Emotional numbness and avoidance of places, people, and activities that are reminders of the trauma. Increased arousal such as difficulty sleeping and concentrating, feeling jumpy, and being easily irritated and angered].