PTSD develops when the symptoms of trauma persist or worsen in the weeks and months after the stressful event. The initial trauma response, called the “fight or flight” response, is our body’s way of protecting us. But when it remains for longer than days or weeks, it becomes distressing and interferes with a person’s daily life and relationships.
Generally, people exposed to traumatic stressors can go on with their lives. But some people cannot process the experience and begin to develop specific patterns of avoidance and hyperarousal associated with PTSD. Those who have experienced previous trauma, anxiety, or depression; or are suffering from physical pain or other stressors with little support after the traumatic event are at an increased risk for developing PTSD.