Physical symptoms often occur in the absence of physical illness. This is termed somatization when the symptoms are caused by psychic factors. When abundant symptoms affect the functional capacity and cause subjective harm and seeking healthcare services, a psychic disorder may be in question. Somatization may be associated with numerous psychic disorders. It may, however, also be a question of a somatoform disorder having a physical symptom picture. Somatization disorder is one of the somatoform disorders. Recognition of the disorder is often the problem in its treatment. Establishing a long-term treatment relationship actually forms the basis for therapy.