ME/chronic fatigue syndrome
Encephalomyelitis myalgica (syndroma fatigationis chronicae) · ME/syndrom chronické únavy
What it is
Disabling fatigue with post-exertional crash, often after infection.
Symptoms & signs
- Crash 24–72 h after exertion
- unrefreshing sleep
- brain fog
- orthostatic intolerance
- pain
🚩 Get help if…
- call 112 / 911 now Thoughts of suicide
- see a doctor soon Weight loss, fever or night sweats — look for another cause
- see a doctor soon Cannot eat, drink or get out of bed
- see a doctor soon New breathlessness, chest pain or joint swelling
Where it strikes
Medical treatment
- Pacing (not graded exercise)
- treat orthostatic intolerance (fludrocortisone, salt)
- sleep and pain management
- Low-dose naltrexone — small studies early / small studies
Natural & lifestyle
- Energy envelope management
- compression garments
- salt and fluids
- rest scheduling
- gentle mobility within limits
Emerging & experimental
- Long-COVID overlap trials
- BC007 autoantibody removal
- immunoadsorption
- mitochondrial support studies
Alternative, off-label & anecdotal
Approaches used outside the guidelines, with what their supporters report and what testing has found so far.
- Graded exercise therapy — trials such as PACE reported modest gains, disputed over their methods; patient surveys report harm, and NICE dropped it in 2021 mixed evidence
- CoQ10 with NADH, D-ribose — small trials of less fatigue early / small studies
- The Lightning Process — one trial claimed benefit and was heavily criticised anecdotal / traditional
ICD codes
- ICD-10 G93.3
- ICD-11 8E49 Postviral fatigue syndrome