Anxiety Disorders is the chronic feelings of overwhelming anxiety and fear, unattached to any obvious source, that can grow progressively worse if not treated. The anxiety is often accompanied by physical symptoms such as sweating, cardiac disturbances, diarrhea or dizziness. Generalized anxiety disorder, panic disorder, agoraphobia, obsessivecompulsive disorder and posttraumatic stress disorder are considered anxiety disorders (all defined individually in Glossary).