For sufferers of PTSD, there are a wide variety of treatment options available. You should speak with a clinician to determine which options are best for you. When considering options, your clinician will assess you based on the severity of your condition, access to services and your own personal preferences.
Early prevention is possible if help has been sought as soon as possible. This helps prevent the development of PTSD, and a few sessions of Eye Movement Desensitization and Reprocessing (EMDR) and or Cognitive Behaviour Therapy (CBT) has been known to provide great benefit. Additionally, group (and individual) therapy sessions and social education allows sufferers to interact with others who are suffering similar symptoms, and deal with issues directly.