Symptoms Of Post Traumatic Stress Disorder After Car Accident . Post-traumatic stress disorder, also known as PTSD and sometimes written as post traumatic stress disorder or posttraumatic Symptoms of PTSD typically present soon after a traumatic event. Post-traumatic stress disorder is a mental health disorder that can be triggered by traumatic events. PTSD:You Maybe Suffering From PTSD And Not Know (Virgie Harper) A quick, easy and confidential way to determine if you may be experiencing PTSD is to take a screening. "Posttraumatic Stress Disorder (PTSD) is an anxiety disorder that can occur following the experience or witnessing of a traumatic event. Not everyone gets PTSD after a traumatic event, but nearly everyone will have the symptoms of post traumatic. Symptoms include reliving the trauma through flashbacks and Post-Traumatic Stress Disorder (PTSD): Understanding PTSD Symptoms and Causes. These symptoms may cause a person to change his or her pers...