Agoraphobia is more complex than a fear of open spaces. Around one in 50 UK adults have panic disorder, of which a third develop agoraphobia. Twice as many women have it as men, usually starting between the ages of 18 and 35, of varying severity. Psychological factors increasing risk include traumatic childhood experiences (such as death of a parent or abuse) or other stressful events (job loss, bereavement, divorce and alcohol or drug misuse). It can also be triggered by a previous mental illnesses, such as depression, anorexia or bulimia.
Symptoms are classified into three types: physical (panic, rapid heartbeat, hyperventilating, sweating, nausea, diarrhoea, trembling and dizziness), cognitive (fear of losing control, being alone, anxiety about heart or breathing problems), and behavioural (avoiding situations that could induce panic attacks, being…