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

Your Decreased Exercise Tolerance May Also be Known 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

Top 4 Decreased Exercise Tolerance Causes

  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.

    You should visit the emergency room. It is likely a physical exam will be performed as well as blood tests.

    Rarity:
    Common
    Top Symptoms:
    fatigue, chest pain, wheezing, cough with dry or watery sputum, shortness of breath on exertion
    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.

    You should visit your primary care physician. Cardiomyopathy is usually treated with prescription medication to slow down the heart rate and make the heart squeeze less forcefully. In severe cases of cardiomyopathy, an operation called myectomy is performed to remove a segment of thickened muscle from the wall dividing the right and left ventricle (the septum).

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

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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.

    You should seek immediate medical care at an ER, where an ultrasound can assess the heart's health.

    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.

    While there is no cure, symptoms can be managed with medication & lifestyle changes.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, severe fatigue, trouble sleeping, muscle aches, 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.Do you currently smoke?
  • Q.Have you lost your appetite recently?

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

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Decreased Exercise Tolerance Symptom Checker Statistics

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

    • 8% Fatigue
    • 4% Nausea
    • 3% Headache
  • People who have experienced decreased exercise tolerance were most often matched with:

    • 6% Hypertrophic Cardiomyopathy
    • 5% Right Heart Failure (Cor Pulmonale)
    • 2% Narrowing of the Aortic Valve

Check my decreased exercise tolerance symptoms

Try our decreased exercise tolerance symptom checker to diagnose your current condition

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Check my decreased exercise tolerance symptoms

Take a quiz to find out why you’re having decreased exercise tolerance symptoms

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