Chronic Fatigue Causes

Although exact chronic fatigue causes are unknown, infection, hormone levels, and stress are believed to play a role in the development of chronic fatigue. Regardless of the specific chronic fatigue causes, chronic fatigue has a major impact on day-to-day functioning and quality of life.

 

Chronic Fatigue Causes: An Overview

Fatigue refers to a sensation of exhaustion during or after usual daily activities, or a lack of energy to begin these activities. Chronic fatigue occurs when symptoms of exhaustion or lack of energy last more than six months. Although the exact chronic fatigue causes are unknown, infection, hormone levels, and stress are believed to play a role in this symptom.
 

Medical Conditions and Chronic Fatigue

Certain medical conditions can contribute to chronic fatigue. Some of these conditions include:
 

Chronic Fatigue Causes: Summary

Regardless of the chronic fatigue cause, chronic fatigue has a major impact on a person's day-to-day functioning and quality of life.
 
Written by/reviewed by: Arthur Schoenstadt, MD
Last reviewed by: Arthur Schoenstadt, MD