History A 28-year-old single woman presents to her general practitioner and explains that she has been experiencing recurrent nightmares over the past 2 months. She was involved in a road traffic accident 4 months ago. The car that she had been driving crashed on the motorway killing a colleague who had been her passenger. She also sustained injuries which required a 2-week stay in the hospital. She works as a manager in a building company and her job requires her to travel to different sites in her car.

Since the accident, she has been off work. She says that the nightmares are related to the accident. She is unable to get the memories of the accident out of her mind and can experience very vivid images of the events even during the day. She struggles with persistent anxiety, has poor sleep and concentration. She now stays at home most of the time and finds it difficult to travel by…