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Med any sensation or change in bodily function experienced by a patient that is associated with a particular disease



an indication of a phenomenon, for example, of a disease. Many types of symptoms are distinguished in medicine. Constitutional symptoms characterize diseases of varying genesis and include weakness and increases in body temperature. Pathognomonic symptoms indicate a definite nosologic form; a stabbing pain in the epigastric region, for example, is typical of a perforating gastric ulcer. Subjective symptoms are only revealed upon questioning the individual, and objective symptoms are readily observable through examination, palpation, percussion, auscultation, and laboratory and instrumental diagnostic methods. Signal symptoms are the precursors of a disease. They include early symptoms, such as chest pains with pneumonia, and late symptoms, such as peritoneal irritation with cholecystitis.

A disease is said to be atypical if its characteristic symptoms are absent from the very beginning; an example of an atypical disease is the painless form of myocardial infarction. Modern therapeutic measures and protective inoculations can substantially alter the symptoms of a disease and even cause them to disappear. Diagnosis and prognosis are based on a knowledge of all of the symptoms of a disease.


A phenomenon of physical or mental disorder or disturbance which leads to complaints on the part of the patient.
References in periodicals archive ?
The role of environmental fac-tors in medically unexplained symptoms and related syndromes: conference summary and recommendations.
Sometimes, these symptoms affect an entire group of people and present as mass outbreaks of medically unexplained symptoms (OMUS).
In the DSM-5, somatic symptom disorder does not make medically unexplained symptoms central to the diagnosis.
5, 10) MSD is characterised by 3 or more currently troublesome medically unexplained symptoms together with a 2-year history of somatisation.
Cognitive behavioral therapy for medically unexplained symptoms, not specifically including MCS, has been shown to be effective in two randomized trials, with a return-to-work rate of up to 70% in one study (46,47).

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