Fatigue

Alternate Terms:
  • Tiredness
  • Weariness
  • Exhaustion
  • Lethargy
 Begin Learning with Healthy Advice:
Energy & Fatigue
Weakness and Fatigue


Fatigue Definition by Healthwise:

Fatigue

Fatigue is a feeling of tiredness or exhaustion or a need to rest because of lack of energy or strength.

Fatigue is often accompanied by impatience and a loss of motivation. Fatigue can be made worse by exercise, depression, and time of day.

Author: Jeannette Curtis
Medical Review: Patrice Burgess, MD - Family Medicine
Adam Husney, MD - Family Medicine
Kathleen Romito, MD - Family Medicine
Last Updated: May 25, 2007

healthwise logo © 1995-2012 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.

This information does not replace the advice of a doctor. Healthwise discalims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use.