Panic diosrder

Panic disorder is an anxiety and mental disorder recurring by severe panic attacks. This includes significant behavior changes. These may last for more than a month and people with this disorder worry about having more attacks. Panic disorders cannot be predicted. The most common symptom is having intense epsiodes of extreme anxiety. Thses may last from one to twenty minutes. However , attacks can roll one after the other. Other symptoms include rapid heartbeat, dizziness, and uncontrolable fear.


Source: http://en.wikipedia.org/wiki/Panic_disorder