Somatization is one of six major somatoform disorders identified by the American Psychiatric Association’s Diagnostic and Statistical Manual (DSM). Other somatoform disorders include undifferentiated somatoform disorder, conversion disorder, hypochondriasis, pain disorder associated with psychologic factors, pain disorder associated with both psychologic factors and a general medical condition. Fundamentally, somatization is a constellation of physical symptoms lacking medical explanation. The DSM-IV-TR designates eight symptom requirements for diagnosis, including four bodily pain symptoms, two gastrointestinal (GI) symptoms, one neurologic symptom, and one sexual symptom, resulting in impairment in function. However, these symptoms appear to exist along a spectrum, and the current diagnostic categorization may not accurately reflect the clinical presentation. Therefore the status and characterization of somatoform disorders are being reexamined for the soon-to-be-published DSM-V, to reclassify them under the general heading of bodily distress syndrome to encompass both psychiatric and nonpsychiatric functional disorders.