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Mental fatigue is a temporary inability to maintain optimal cognitive performance. The onset of mental fatigue during any cognitive activity is gradual, and depends upon an individual's cognitive ability, and also upon other factors, such as sleep deprivation and overall health. Mental fatigue has also been shown to decrease physical ...
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]
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 ...
Perry reiterated that patients can experience direct fatigue and a decreased ability to do normal activities — and this can also lead to anxiety and depression due to these changes. "It is very ...
People with ME/CFS experience persistent debilitating fatigue. It is made worse by normal physical, mental, emotional, and social activity, and is not a result of ongoing overexertion. [3] [2]: 12 Rest provides limited relief from fatigue. Particularly in the initial period of illness, this fatigue is described as "flu-like".
Here Are The Symptoms To Look For, According To An Infectious Disease Doctor. Korin Miller. December 23, 2024 at 7:59 AM. ... Fatigue. Muscle or body aches. Headache. Nausea or vomiting.
[31] [32] Several physical and mental disorders may present with symptoms similar to exhaustion disorder, which makes it a diagnosis of exclusion. [33] Relevant physical alternative diagnoses are symptom dependent, but could include hypothyroidism, vitamin B 12 deficiency, COPD, cardiovascular disease and diabetes. [34]
The name Chronic Fatigue Syndrome has been attributed to the US Centers for Disease Control 1988 research case definition for the illness, "Chronic fatigue syndrome: a working case definition". [38] [40] Chronic Fatigue Syndrome (CFS) was added to ICD-9 after 1988 and listed under code 780.71, Symptoms Signs and Ill-defined Conditions ...