It is not subject to the Government of Canada Web Standards and has not been altered or updated since it was archived ME/CFS is hard to diagnose as there are currently no reliable diagnostic tests available.
Many of its symptoms overlap with symptoms of other conditions, such as neurological disorders, autoimmune disease, and endocrine disorders.
Carruthers BM, Jain AK, De Meirleir KL, Peterson DL, Klimas NG, Lerner AM, Bested AC, Flor-Henry P, Joshi P, Powles AP, Sherkey JA. Toward Optimized Practice (TOP) ME/CFS Working Group. Available from: https://ca/En/Pages/cpg-details.aspx? Myalgic encephalomyelitis: international consensus criteria. Chicago, IL: International Association for Chronic Fatigue Syndrome/Myalgic Encephalomyelitis (IACFS/ME); 2014. Risk factors for chronic fatigue syndrome/myalgic encephalomyelitis: a systematic scoping review of multiple predictor studies.
Other common symptoms include unrefreshing sleep, body pain and mental confusion ("brain fog").
Debilitating fatigue is usually the most prominent symptom.
This "post-exertional malaise" is a hallmark of ME/CFS.
Fatigue can be intensified by overactivity, poor sleep, deconditioning, stress, emotions and poor nutrition.
Sleep problems are usually a part of the illness, but they may be intensified by other factors such as stress, overactivity, and the absence of a good sleep environment or good sleep habits.
Cognitive Problems: Most people with ME/CFS experience cognitive difficulties, often called "brain fog." Cognitive problems include feeling confused, difficulty concentrating, fumbling for words and lapses in short-term memory.We all get tired of the whole dating game at times, but for people with Chronic Fatigue Syndrome (CFS) or Myalgic Encephalomyelitis (ME), it’s a whole different level of exhaustion.CFS/ME can leave a person with a whole bunch of symptoms — physical exhaustion, mental exhaustion and muscle fatigue being just a few. The condition is a long-term disorder affecting the brain and other systems. ME/CFS (Myalgic Encephalomyelitis / Chronic Fatigue Syndrome) is also known as ME, Chronic Fatigue Syndrome (CFS), and, formerly, Chronic Fatigue and Immune Dysfunction Syndrome (CFIDS).The health-related quality of life for patients with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). Health-related quality of life in patients with chronic fatigue syndrome: an international study.