Panic disorder is an anxiety disorder that causes repeated, unexpected attacks of intense fear. These attacks may last from minutes to hours.
Panic disorder with agoraphobia
Panic disorder is an anxiety disorder characterized by repeated and unexpected attacks of intense fear and anxiety. Panic attacks are usually not related to a particular situation and typically peak within ten minutes of onset.
Hyperventilation is rapid or deep breathing, usually caused by anxiety or panic. This overbreathing, as it is sometimes called, may actually leave you feeling breathless.