Social anxiety disorder is also known as a social phobia. If you have a enervate fear that you are seen negatively by the other and you feel embarrassed in the public so you may a social phobia or social anxiety disorder. In this type of disorder patient can worry for days are months before a tough situation. This fear may become so serious that it can make a trouble with work, school, and other daily routine activities. During the social phobia patient have some physical symptoms like profuse sweating, trembling, blushing and feel difficulty in talking to others.