Chronic fatigue syndrome (CFS) is a condition that causes lasting, extreme tiredness (fatigue) that does not improve with rest.
CAUSES
The cause of CFS is not known. It may be triggered by a flu-like illness or by mono. Other triggers may include:
• An abnormal immune system.
• Low blood pressure.
• Poor diet.
• Physical or emotional stress.
RISK FACTORS
This condition is more likely to develop in women.
SYMPTOMS
The main symptom of CFS is fatigue that lasts all day, especially after physical or mental stress. Other common symptoms include:
• Extreme loss of energy with no obvious cause.
• Muscle or joint soreness.
• Severe weakness.
• Frequent headaches.
• Fever.
• Sore