Mononucleosis and chronic fatigue syndrome

Chronic fatigue syndrome (CFS) is a poorly understood condition that develops mainly in adults between the ages of 20 and 40. Its main symptoms include:

  • Persistent fatigue that interferes with daily activities and lasts longer than 6 months.
  • Mild fever.
  • Sore throat.
  • Swollen lymph nodes (sometimes called swollen glands).
  • Difficulty concentrating and short-term memory loss.
  • Sleep disturbance.
  • Irritability.
  • A noticeable decrease in physical activity.

In the past it was believed that chronic fatigue syndrome was caused by long-term infection with the Epstein-Barr virus (EBV). But research has shown that chronic fatigue syndrome and EBV infection are two different illnesses and EBV does not cause chronic fatigue syndrome.

For more information, see the topic Chronic Fatigue Syndrome.

Last Updated: September 8, 2009

related physicians

related services

Bon Secours International| Sisters of Bon Secours USA| Bon Secours Health System

This information does not replace the advice of a doctor. Healthwise disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Privacy Policy. How this information was developed to help you make better health decisions.

© 1995-2010 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.