Panic disorder is where you have recurring and regular panic attacks, often for no apparent reason. A panic attack occurs when your body experiences a rush of intense psychological (mental) and physical symptoms. According to a research study in Germany its prevalence rate of 2.6 (95% C.I. 2.0–3.2) in 2,832 consecutive patients. Percentage of death is 0.8 in total prevalence rate. Psychological therapy and medication are the two main types of treatment for panic disorder.