A somatoform disorder in which the person complains of severe and prolonged pain that is not explainable by organic pathology; it tends to be stress-related or permits the patient to avoid an aversive activity or to gain attention and sympathy.

the report of persistent pain that causes extreme distress or impairs normal functioning, without medical evidence of a physical condition or disorder.

One of the somatoform disorders characterized by persisting complaints of pain in one or more body areas in the absence of associated medical problems requiring treatment. Complaints of pain cause significant social or occupational impairment and almost continuous subjective distress. Onset or exacerbations of pain are associated with psychological factors or combined psychological-physiological factors. A syndrome characterized by the subjective experience of pain that does not have sufficient medical justification

pain which causes significant distress or impairment in social, occupational, or other areas of functioning in which psychological factors are judged to play a significant role in the onset severity, exacerbation, or maintenance of pain.

Pain disorder is when a patient experiences chronic and constant pain in one or more areas, and is thought to be caused by psychological stress. The pain is often so severe that it disables the patient from proper functioning. It can last as short as a few days, to as long as many years.