Chronic fatigue refers to extreme tiredness that persists for more than 6 months. People with chronic fatigue syndrome (CFS) suffer from severe, debilitating, and unexplained fatigue, along with other symptoms like muscle and joint pain, headaches, poor sleep, and difficulty concentrating.
What causes chronic fatigue?
The exact cause of CFS is unknown, but potential factors include:
Some researchers believe CFS may be triggered by a combination of factors like genetics, stress, and viral infections in those predisposed.
What are the main symptoms of chronic fatigue syndrome?
In addition to fatigue, main CFS symptoms include:
The specific symptoms and severity varies among patients. Fatigue and exhaustion after minor activity is a hallmark of the condition.
How is chronic fatigue syndrome diagnosed?
There are no definitive diagnostic lab tests for CFS. After ruling out other conditions like anemia, doctors diagnose CFS based on:
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