What causes exercise intolerance?

Many things. Hormonal problems, heart related conditions, lung related conditions, low blood counts(anemia) ... just to name a few things !
Many Causes. Exercise intolerance is a symptom of many conditions. It is most often found in cardiopulmonary disorders and in chronic fatigue syndrome. . Other causes include abnormal heart rate, acute or chronic back pain, overtraining, anemia, and anorexia nervosa. Statin drug use has been implicated in causing exercise intolerance. Source: wikipedia.

Related Questions

What could cause exercise intolerance in a thin 17 year-old?

Probably a medical c. Probably a medical cause. Depending on other factors, anemia may be a root cause. The bottom line is that this 17 year old needs to be seen soon. Read more...