Somatization disorder: Somatization disorder is characterized by many somatic symptoms that cannot be explained adequately based on physical and laboratory examinations. Specific characteristics of somatization disorder include the following:
* Onset of unexplained medical symptoms in persons younger than 30 years
* Multiple and chronic complaints of unexplained physical symptoms
* Multiple pain symptoms involving multiple sites, such as the head, neck, back, stomach, and limbs
* At least 2 or more unexplained gastrointestinal symptoms, such as nausea and indigestion
* At least 1 sexual complaint and/or menstrual complaint
* At least 1 pseudoneurological symptom, such as blindness or inability to walk, speak, or move