Symptoms of chronic fatigue syndrome include extreme fatigue, loss of memory or inability to concentrate, sleep problems, enlarged lymph nodes in the neck or armpits and unexplained muscle pain, according Mayo Clinic. Other symptoms include new patterns and severity of headaches and sore throat.
Although the causes of chronic fatigue syndrome are unknown, patients who were born with a predisposition for the disorder may be affected by several factors, such as viral infections, immune system problems and hormonal imbalances, explains Mayo Clinic.
Because there are many different conditions that can cause chronic fatigue, it is important to contact a health care professional if excessive fatigue occurs, recommends Mayo Clinic. Possible causes of chronic fatigue syndrome include a malfunctioning immune system, hormonal imbalances, psychological disorders or an infection.
Chronic fatigue syndrome is a medical disorder that is characterized by fatigue that is so extreme that afflicted individuals are unable to function normally and complete regular daily activities, notes to WebMD.
Chronic fatigue syndrome can cause life complications, including social isolation, depression, an inability to attend work and various lifestyle restrictions, notes Mayo Clinic. People in their 40s or 50s are most likely to be affected by chronic fatigue syndrome, although it can happen to anyone, regardless of age. Some people may be affected by chronic fatigue syndrome because of poor stress management.