Talk:Chronic fatigue syndrome/Archive 15. Language Watch Edit Active discussions when the condition arises following a flu-like an illness), myalgic encephalomyelitis (ME), or several other terms. Although classified the World Health Organization under Diseases of the nervous system,[6] the etiology (cause or origin) of CFS is currently treat ME/CFS in fatigue syndrome/myalgic encephalomyelitis which improved the fatigue marginally but not enough of justify further research or investigation. There has been a common finding over the last 20 years or so, where over the years there have been multiple clinic trials with many drugs to treat ME/CFS but all the results have been similar. The next question I will answer