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According to the CDC, symptoms may include: Fever or chills. Cough. Shortness of breath or difficulty breathing. Sore throat. Congestion or runny nose. New loss of taste or smell. Fatigue. Muscle ...
These symptoms can include decreased physical abilities such as walking, excessive fatigue, and weight and muscle loss leading to declined physical status. In addition, frailty encompasses a decline in both overall physical function and physiologic reserve of organ systems resulting in worse health outcomes for this population.
Two overlapping symptoms can be present: Increased fatigue after mental exertion can be associated with a reduction in cognitive function. Minimal physical effort might be felt as extreme fatigue along with pain and anxiety. Many other symptoms of bodily discomfort may be felt with either form.
Muscle weakness is a lack of muscle strength. Its causes are many and can be divided into conditions that have either true or perceived muscle weakness. True muscle weakness is a primary symptom of a variety of skeletal muscle diseases, including muscular dystrophy and inflammatory myopathy.
While fatigue is often prominent, it is "more than fatigue following a stressor". [6] Other symptoms that may occur during PEM include cognitive impairment, flu-like symptoms, pain, weakness, and trouble sleeping. [6] [4] Though typically cast as a worsening of existing symptoms, patients may experience some symptoms exclusively during PEM. [6]
Functional weakness is weakness of an arm or leg without evidence of damage or a disease of the nervous system. Patients with functional weakness experience symptoms of limb weakness which can be disabling and frightening such as problems walking or a 'heaviness' down one side, dropping things or a feeling that a limb just doesn't feel normal or 'part of them'.
The term “fatigue” trivialises the illness and discourages research into potential treatments. [89] 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".
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