The following are general descriptions of various anxiety disorders.
Professional evaluation is necessary before a final diagnosis is made.
Also, the individual may experience a fear of dying, going crazy, or doing something uncontrolled during an attack. Situations commonly feared include driving, crowds, stores, public transportation, bridges, traveling, and being home alone. People who suffer from this disorder may experience muscle tension, inability to relax, fatigue, difficulty concentrating, irritability, and disturbed sleep. These persistent feelings of tension and anxiety are associated with a tendency to worry excessively over a variety of matters.