Read below about decreased exercise tolerance, including causes and common questions. Or get a personalized analysis of your decreased exercise tolerance from our A.I. health assistant. At Buoy, we build tools that help you know what’s wrong right now and how to get the right care.

This symptom can also be referred to as:
Can't exercise
Can't exercise as much
Can't run as far
Cant work out
Decreased stamina
Easily exhausted
Easily fatigued
Feel weak
Feeling weaker
Get tired easily

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4 Potential Decreased Exercise Tolerance Causes

Disclaimer: The article does not replace an evaluation by a physician. Information on this page is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes.

  1. 1.Right Heart Failure (Cor Pulmonale)

    Cor pulmonale is known as right heart failure and is often a long-term consequence of high blood pressure or COPD.

    Treatment depends on severity of illness.

    Rarity:
    Common
    Top Symptoms:
    fatigue, chest pain, shortness of breath on exertion, wheezing, decreased exercise tolerance
    Symptoms that never occur with right heart failure (cor pulmonale):
    severe chest pain
    Urgency:
    Hospital emergency room
  2. 2.Hypertrophic Cardiomyopathy

    Hypertrophic cardiomyopathy (HCM) is a disease in which the heart muscle (myocardium) becomes abnormally thick (hypertrophied). This happens sometimes as a result of long-term elevated blood pressure, and sometimes without any particular reason. The thickened heart muscle can make it harder for the heart to pump blood.

    Hypertrophic cardiomyopathy is a life-long condition, as the heart walls are permanently enlarged.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, shortness of breath, dizziness, racing heart beat, shortness of breath on exertion
    Urgency:
    Primary care doctor

    Decreased Exercise Tolerance Checker

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  3. 3.Narrowing of the Aortic Valve

    The aorta is the main artery that carries blood out of the heart to the rest of the body. Blood flows out of the heart and into the aorta through the aortic valve. In aortic stenosis, the aortic valve does not open fully, which decreases blood flow from the heart.

    Indefinite

    Rarity:
    Uncommon
    Top Symptoms:
    fatigue, shortness of breath, chest pain, shortness of breath on exertion, decreased exercise tolerance
    Urgency:
    Hospital emergency room
  4. 4.Chronic Fatigue Syndrome

    Chronic fatigue syndrome is a disease that causes unexplained fatigue that does not improve with rest.

    Chronic fatigue syndrome is a life-long condition.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, difficulty concentrating, severe fatigue, trouble sleeping, impaired social or occupational functioning
    Symptoms that always occur with chronic fatigue syndrome:
    fatigue, impaired social or occupational functioning
    Symptoms that never occur with chronic fatigue syndrome:
    mild fatigue, fever
    Urgency:
    Primary care doctor

Questions Your Doctor May Ask About Decreased Exercise Tolerance

  • Q.Any fever today or during the last week?
  • Q.Have you been feeling more tired than usual, lethargic or fatigued despite sleeping a normal amount?
  • Q.Have you lost your appetite recently?
  • Q.Do you currently smoke?

If you've answered yes to one or more of these questions, try our decreased exercise tolerance symptom checker to find out more.

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Decreased Exercise Tolerance Symptom Checker Statistics

  • People who have experienced decreased exercise tolerance have also experienced:

    • 9% Fatigue
    • 3% Nausea
    • 3% Headache
  • People who have experienced decreased exercise tolerance were most often matched with:

    • 7% Right Heart Failure (Cor Pulmonale)
    • 5% Hypertrophic Cardiomyopathy
    • 3% Narrowing of the Aortic Valve
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

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