chronic fatigue syndrome

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chronic fatigue syndrome

n. Abbr. CFS
A complex of symptoms of unknown cause, marked by often severe fatigue that is present for at least six months, worsened by exertion, and unimproved by sleep, and that also includes either cognitive impairment or poor tolerance to upright activity. Symptoms also may include chronic pain and weakness, low-grade fever, headache, and swollen lymph glands. Also called chronic fatigue immune dysfunction syndrome, myalgic encephalomyelitis.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

chronic fatigue syndrome

n
(Pathology) another name for myalgic encephalopathyAbbreviation: CFS
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

chron′ic fatigue′ syn`drome


n.
a viral disease of the immune system, usu. characterized by debilitating fatigue and flu-like symptoms.
[1990–95]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
In 1956, an anonymous editorial in an issue of the Lancet coined the term benign Myalgic Encephalomyelitis (Anonymous Editorial, 1956).
The clinical syndrome variously called benign myalgic encephalomyelitis, Iceland Disease, and epidemic neuromyasthenia.

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