Agoraphobia quite often results from the fear of having a panic attack in specific situations from which escape might be difficult (or embarrassing) or in which help may not be obtainable in the event of having an panic attack, usually in public. It is often thought to be a fear of open spaces but it can be of being in crowded, public places like banks, supermarkets and clubs etc.
Obsessive Compulsive Disorder (OCD) is characterized by anxious thoughts or rituals you feel you can't control. If you have OCD you may be overwhelmed by constant, unwanted thoughts or images, or by
the urgent need to engage in certain rituals.
Social Phobia, is understood as extreme fear of some social interaction. While social phobia is experienced by as many as 10% of the population at any one time. Social phobia is not mere shyness, but a disorder that severely hampers the quality of life. It is estimated that between 7 and 13% of people are affected by social anxiety at some point. Basically, it is understood as being the recurring avoidance and incapacitating fear of social situations, where others might possibly critically judge.