Myalgic encephalomyelitis/chronic fatigue syndrome

Epic card · No. 3776

Myalgic encephalomyelitis​/​chronic fatigue syndrome (ME/CFS) is a disabling chronic illness. People with ME/CFS experience profound fatigue that does not go away with rest, as well as problems with sleep and memory or concentration. The hallmark symptom is post-exertional malaise (PEM), a worsening of the illness that can start immediately or up to days after even minor physical or mental activity. This "crash" can last hours, days or several months. Further common symptoms include orthostatic intolerance—dizziness or faintness when upright—and pain. The cause of the disease is unknown. ME/CFS often starts after an infection, such as infectious mononucleosis. Studies find impairment in the nervous and immune systems, as well as in energy production. A diagnosis is established with the presence of clinical symptoms and systematic differential diagnosis, as there is no verified diagnostic laboratory test or imaging procedure available. ME/CFS symptoms can improve or worsen over time, but...

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