People with PTSD have been found to be at greater risk of having all of these disorders. This overview provides the rates of these anxiety disorders among people with PTSD. Learn more about what panic disorder is as well as why PTSD and panic disorder may commonly co-occur. Therefore, it is not surprising that PTSD and social anxiety disorder frequently co-occur. Fortunately, there are very effective treatments available for both PTSD and social anxiety disorder. Learn more about the diagnosis of social anxiety disorder, its connection with PTSD and how one can get help for both conditions. For example, one study found that 54 percent of people with a diagnosis of OCD report having experienced at least one traumatic event in their lifetimes. Although these rates are high, they are not entirely surprising. PTSD may make a person’s life feel chaotic and out-of-control. The behaviors associated with OCD may initially help make a person feel more in control, safe and reduce anxiety. However, these strategies ultimately backfire, contributing to more anxiety and distress. Acute stress disorder describes the experience of PTSD-like symptoms immediately following a traumatic event. Learn more about the symptoms of acute stress disorder and its connection with PTSD with this overview.