Can you explain PTSD to me?
Posttraumatic stress can happen after someone goes through a traumatic event such as combat, an assault, or a disaster.  Most people have some stress reactions following trauma.  But if the reactions don't go away over time or they disrupt your life, you may have posttraumatic stress disorder.
Can I get disability benefits from the VA for posttraumatic stress disorder?
You may be able to get disability benefits if you have symptoms related to a traumatic event the stressor or your experience with the stressor is related to the PTSD symptoms, and if the stressor happened during your service, can't function as well as you once did because of your symptoms, and a doctor has given you the diagnosis.