Although agoraphobia is thought of as a fear of open spaces, the real underlying fear is more complex, encompassing several aspects of daily life.
The person feels especially vulnerable and exposed
The phobias or fears in agoraphobia involve activities such as leaving home, entering public places or travelling alone. In these situations the person feels especially vulnerable and exposed, with nowhere to escape to or hide if things go wrong.
An unusual but not uncommon feature of agoraphobia is a fear of crossing bridges (known as gephyrophobia). This has nothing to do with huge drops from the side of a bridge, but is related to a feeling that, once on the bridge, there is no immediately available exit.
The degree of fear and avoidance behaviour varies. Although many sufferers do manage to get out to work, some become completely housebound.
Unless agoraphobia is treated it can go on for many years, completely distorting the way a person leads their life.
There are effective treatments that will help most people return to a normal life. These include: