Chronic fatigue syndrome (CFS) is characterized by unexplained fatigue lasting for more than 6 months and accompanied by flulike symptoms. It most commonly affects women aged between 30 and 60 years. To date, clear diagnostic criteria allowing for unambiguous diagno-sis of CFS have not been established. We present a case of a 57-year-old woman with chronic fatigue syndrome in order to showcase the symptoms of this condition and propose a diagnos-tic protocol.
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