Anxiety disorders are a category of neurotic disorders with anxiety as a prominent or the prominent symptom. They are quite common (in a recent British survey 16% of the population suffer from some kind of pathological anxiety). According to the ICD-10 (international classification of diseases - 10th edition) anxiety disorders are classified as follows:

Phobic anxiety disorder:

• Agoraphobia (with or without panic disorder)
• Social phobias
• Specific (isolated) phobias

Other anxiety disorders:

• Panic disorder
• Generalised anxiety disorder
• Mixed anxiety and depressive disorder

Obsessive compulsive disorder