Reports suggest most people with ME/CFS improve over time but that full recovery is rare and that a subset of patients regress or remain severely ill.

The Early Edge

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While no guarantee, adolescents appear to have a significantly better chance of recovering from ME/CFS than adults

The first couple of years appear to be important.  Adolescents and patients  who get treatment early appear to have higher success rates than adults or people with longer duration ME/CFS (> 2 years).  Both the Dubbo and the Taylor studies suggest many people  with infectious onset who are diagnosed with ME/CFS either get well or (more likely) improve enough so that they no longer meet the criteria in the first two years.

A thirteen year followup of adolescent ME/CFS patients indicated that 37% considered themselves completely well, 43% considered themselves well but still with ME/CFS and about 20% considered themselves still ill. A three year followup of young patients  however, indicated over half were having difficulty participating in school.

The Adult Disadvantage

A systematic review (of CBT-type studies) indicated median recovery rates were around 5% with symptom improvement rates at about 40%. A 1995 review of an older chronic fatigue/chronic fatigue syndrome population found low recovery rates (2%) with 64% of patients reporting improvement in symptoms. A ten-year followup of adults found 2/3rds continued to have ME/CFS, 20% developed exclusionary illnesses and 1 (4%) recovered

Not surprisingly, severely ill patients appear to have poorer recovery rates.  Hill’s 1999 two-year study of severely ill patients found that most were still severely ill, almost all still met the criteria for ME/CFS and only 1 (4%) recovered.

A randomly derived population study examining a less-sick ME/CFS group found large fluctuations in wellness  with 60% no longer meeting the CDC criteria for CFS after 3 years.  Ten percent reported complete remission with duration of illness (<2 years) the most important factor in who got completely well.

Experienced ME/CFS Doctors Report Higher Rates of Improvement

One encouraging sign is the consistent improvement rates experienced physicians report they see in their patients. Dr. Lapp, Dr. Teitelbaum, Dr. Holtorf and Dr. De Meirlier report that 80% or more of their patients see ‘significant’ improvement.  Dr. Lapp reports that even ‘simple supportive care’ can yield real benefits. Dr. Pocinki reports that 15% of his patients recover fully.

A Severely Ill Subset

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Others can do everything right and still not get well or even improve.

This is encouraging yet it still leaves approximately 50% of patients significantly hampered by this illness and a small but significant subset for whom treatments offer little help. After speaking with several prominent ME/CFS physicians Marcia Harmon of the CFIDS Association reported that :

“It would be wrong to conclude that if patients just work hard enough to find the right combination of all the treatment strategies…. then they’ll get better, or at least substantially improve. The bitter, unpalatable reality is that CFS patients can be proactive, they can have a good attitude, they can try various drug and nondrug interventions, and they can still remain ill, even profoundly disabled.”

ME/CFS physicians (Dr. Teitelbaum, Dr. De Meirleir) report that a subset of ME/CFS patients (@10-20%) dohot report significant improvement no matter what treatments they throw at them. A 2013 study suggested a significant percentage of patients do not benefit either from coping or pacing.


While many ME/CFS patients appear to improve over time the danger of relapse is real even in those whose health has improved. One group of patients appears to experience huge swings of health. Some are well, sometimes for years, only to relapse later.


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