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Medically unexplained physical symptoms (MUPS or MUS) are symptoms for which a treating physician or other healthcare providers have found no medical cause, or whose cause remains contested. [1] In its strictest sense, the term simply means that the cause for the symptoms is unknown or disputed—there is no scientific consensus .
Burning mouth syndrome (BMS) is a burning, tingling or scalding sensation in the mouth, lasting for at least four to six months, with no underlying known dental or medical cause. [ 3 ] [ 7 ] No related signs of disease are found in the mouth. [ 3 ]
Several countries, including Australia [17] and the United Kingdom, have authored clinical guidelines that define ME/CFS based on some or all of the available diagnostic criteria. The 2021 UK NICE guideline requires all of the following symptoms: Debilitating fatigue; Post-exertional malaise; Unrefreshing and/or disturbed sleep; Cognitive ...
[10]: 16–17 Symptoms must be present at least half of the time, and be of moderate severity or worse; previous criteria just required symptoms to be present. [29]: 14 In 2021, NICE revised its criteria based on the IOM criteria. The updated criteria require fatigue, PEM, non-restorative sleep, and cognitive difficulties persisting for at ...
ICF differs from other forms of chronic fatigue since it is unexplained rather than linked to a medical or psychological illness (for example, diabetes or depression). [6] This means that ICF patients have reduced treatment options: there is no underlying disease or known cause that could be treated in order to reduce the degree of fatigue ...
[2] [3] [4] In addition, Zijlema et al. (2013) [2] reviewed 99 scientific publications which presented 40 instruments designed to assess somatic symptoms, somatization, or medically unexplained symptoms. They conclude that a valid measure of somatic symptom burden should include items about "cardiopulmonary (including autonomic symptoms ...
An example of such a diagnosis is "fever of unknown origin": to explain the cause of elevated temperature the most common causes of unexplained fever (infection, neoplasm, or collagen vascular disease) must be ruled out. Other examples include: Fibromyalgia [9] Adult-onset Still's disease [10] Behçet's disease [11] Bell's palsy [12]
Classified as a "conversion disorder" by the DSM-IV, a psychogenic disease is a condition in which mental stressors cause physical symptoms matching other disorders. The manifestation of physical symptoms without biologically identifiable cause results from disruptions in normal brain function due to psychological stress.