Chronic is something that lasts a long time. Fatigue is tiredness. Chronic fatigue syndrome is extreme tiredness (fatigue) that lasts more than 6 months.
Chronic fatigue syndrome is rare, but it is most common among women aged 20 to 50
Doctors don’t know what causes it
Sometimes the symptoms start during or after a short illness, such as fever with a runny nose
You feel tired and lack energy, even if you get plenty of rest
Doctors treat chronic fatigue syndrome by easing your symptoms, and also with counseling and exercise
The main symptoms are:
This tiredness lasts more than 6 months.
You may also have other symptoms like:
These symptoms are similar to the symptoms of fibromyalgia.
Doctors don’t have a test for chronic fatigue syndrome. They usually run blood and urine tests to rule out other diseases. If you're on any medicines, your doctor will check to see if you're having side effects from them. Doctors diagnose chronic fatigue syndrome only if they can’t find another cause that explains your fatigue.
Doctors treat your symptoms, including pain, depression, and not being able to sleep. They also try:
Usually the symptoms get better over time, but it may take years or they may not go away completely.