The interventions used in the clinical management of posttraumatic stress disorder (PTSD) focus on: 1. Prevention of the development of the disorder, after a traumatic event 2. Treatment of the disorder, once it is already established, 3. Maintenance of long term functioning and quality of life. A variety of psychotherapies and pharmacological treatments have been proposed as therapeutic options in the treatment of PTSD. However, many of these treatment modalities lack scientific background. In this article authors present the treatment modalities of PTSD which are supported by scientific evidence and discuss its applications and drawbacks.