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People suffered from "chronic or recurrent fatigue", among a large number of other symptoms. [1]: 28–29 The initial link between elevated antibodies and the Epstein–Barr virus led to the name "chronic Epstein–Barr virus syndrome". The CDC renamed it chronic fatigue syndrome (CFS), as a viral cause could not be confirmed in studies.
The fatigue must have lasted for 6 months or longer, and be present at least 50% of the time; Other symptoms are possible, such as muscle pain, mood problems, or sleep disturbance; Conditions known to cause severe fatigue and some mental conditions exclude a diagnosis. Post-infectious fatigue syndrome also requires evidence of a prior infection ...
Chronic fatigue, a long-term state of physical or mental exhaustion, a symptom of many chronic illnesses and of idiopathic chronic fatigue; Myalgic encephalomyelitis/chronic fatigue syndrome, a discrete chronic medical condition characterized by post-exertional malaise, symptoms of profound intensity including fatigue, pain, and cognitive ...
He then explained that it was caused by autoimmune hepatitis, a chronic liver disease when the body’s immune system attacks the liver cells. The rare condition affects between four and 43 out of ...
The term “fatigue” trivialises the illness and discourages research into potential treatments. [91] According to a survey of medical trainees at a school in the United States, a condition described as "chronic fatigue syndrome" is considered less serious than a condition described as "myalgic encephalopathy". [92] [93]
Post-exertional malaise is a worsening of symptoms after minimal physical or mental activity, [6] and is a cardinal symptom of myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). [7] Both PEM and exercise intolerance are common in long COVID. [8] [9] Orthostatic intolerance (OI) occurs in ME/CFS. OI includes exercise intolerance as one ...
Fatigue in a medical context is used to cover experiences of low energy that are not caused by normal life. [2] [3]A 2021 review proposed a definition for fatigue as a starting point for discussion: "A multi-dimensional phenomenon in which the biophysiological, cognitive, motivational and emotional state of the body is affected resulting in significant impairment of the individual's ability to ...
Prolonged fatigue is fatigue that persists for more than a month, and chronic fatigue is fatigue that lasts at least six consecutive months, which may be caused by a physical or psychological illness, or may be idiopathic (no known cause). [1] Chronic fatigue with a known cause is twice as common as idiopathic chronic fatigue. [6]