Chronic fatigue is a type of a disorder that causes extreme fatigue. It is that kind of fatigue that does not go away even after the person takes rest. It is called chronic because it lasts for a longer time and affects the ability to perform daily activities. It is also referred to as myalgic encephalomyelitis (ME) or systemic exertion intolerance disease (SEID). Chronic fatigue syndrome has been a controversial syndrome in that past, but is now widely accepted as a medical syndrome. Though it can affect anyone, it usually is seen among women in their 40’s and 50’s. Causes of Chronic fatigue The root causes of chronic fatigue are still not known but, several medical research have concluded that viruses, an overall weakened immune system due to an underlying medical condition, and hormonal imbalance could lead to chronic fatigue. Some people experience genetically predisposed Chronic fatigue syndrome. Chronic fatigue syndrome can develop after any type of viral infection. There is no single virus that causes chronic fatigue. Most common viral infections that have known to cause chronic fatigue syndrome are RRV (Ross River virus), Rubella, Human Herpesvirus 6, EBV (Epstein Barr virus). Some bacterial infection such as coxiella burnetiid, and mycoplasma have also been found to be related to chronic fatigue syndrome.

The feeling you get where your entire body is not active enough to do any activity is referred to as fatigue. It is the tiredness you feel where even a simple task seems like too much work and you are not willing to do anything that requires you to move physically. You feel too weak to do anything in fatigue. Fatigue is common among all people. There are many causes of fatigue and it is also a symptom in many diseases. Diseases like anemia, cancer, malnutrition have fatigue as a common symptom. Extreme fatigue is caused due to cancer. If you have fatigue without any physical exertion and weakness, then it could be a symptom of cancer. However, fatigue is not always a part of symptoms for diseases, at times it can also be because of over-exertion, stress and poor diet, certain medications, sleep problems, and general weakness due to viral. Extreme fatigue can also be referred to as chronic fatigue syndrome (CFS) when the fatigue is prolonged. Extreme fatigue causes are unknown but are many factors that lead to this syndrome. When the immune system is affected by viruses, it results in fatigue. When you are attacked by a bacterium called Chlamydia pneumoniae (that causes pneumonia), it can also act as one of the extreme fatigue causes.