[Chronic fatigue syndrome].

The Chronic Fatigue Syndrome is a disease that originates in the 18th Century of unknown etiology. The chronic fatigue is a common complain with an estimate prevalence of 24%. In 1988 the Chronic Fatigue Syndrome was define by the experts due to an increase in the recognition of the disease. Is a disease that possess similar characteristics to other conditions for which the diagnosis is one of exclusion. Cases has been reported around the world been most common in women between 20-50 years of age. The treatment is mostly supportive.