a group of disorders in which there is a history of repeated physical complaints with no physical basis. They include somatization disorder and hypochondriasis (see hypochondria). Also included (in DSM-IV but not in ICD-10) is conversion disorder.
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[DSM-IV] mental disorders characterized by symptoms suggesting a general medical condition but neither fully explained by a general medical condition, the direct effects of a psychoactive substance, or another mental disorder nor under voluntary control; this category includes body dysmorphic disorder, conversion disorder, hypochondriasis, pain disorder, somatization disorder, and undifferentiated somatoform disorder.Medical dictionary. 2011.