What is Chronic Fatigue Syndrome (CFS) / Myalgic Encephalomyelitis (ME)?
The term chronic fatigue syndrome (CFS) is used to describe an illness that is characterised by physical and mental fatigue and fatigability. A characteristic feature is fatigue/malaise that follows minimal exertion. People with CFS often describe the fatigue as being of a type and a scale beyond any other they have experienced. The illness may affect both physical and mental functioning, including cognitive function. Accompanying symptoms may include poor sleep, pain, poor concentration and memory, although this list is not exhaustive. Chronic fatigue syndrome (CFS) is also known as myalgic encephalomyelitis (ME) and post-viral fatigue syndrome. There is some difference of opinion over whether ME is different from CFS; however, most authorities refer to the condition as CFS/ME. The symptom of fatigue is a feeling that can sometimes be difficult to describe and to measure. It is a feeling of exceptional or abnormal tiredness or lack of energy in excess of that anticipated in response t