Exercise intolerance

From WikiMD's Wellness Encyclopedia

Exercise intolerance is a condition characterized by an inability to perform physical activities at the level or duration that would be expected based on an individual's age, sex, and physical condition. It is often associated with feelings of fatigue, breathlessness, or muscle pain during or after exercise. Exercise intolerance can be a symptom of various underlying health issues, ranging from cardiovascular and respiratory diseases to metabolic disorders and musculoskeletal problems.

Causes[edit | edit source]

Exercise intolerance can be caused by a wide range of conditions, including but not limited to:

Symptoms[edit | edit source]

Symptoms of exercise intolerance may include:

  • Unusual or excessive fatigue during or after physical activity
  • Shortness of breath or difficulty breathing during exercise
  • Muscle pain or weakness during or after exercising
  • Dizziness or lightheadedness associated with activity
  • Rapid heartbeat or palpitations during physical exertion

Diagnosis[edit | edit source]

Diagnosing exercise intolerance involves a thorough medical history, physical examination, and often, specific tests to identify underlying causes. Tests may include:

  • Cardiopulmonary exercise testing (CPET) to assess cardiovascular and respiratory function during exercise
  • Blood tests to identify metabolic disorders
  • Imaging studies, such as echocardiograms or stress tests, to evaluate heart function
  • Pulmonary function tests to detect respiratory diseases

Treatment[edit | edit source]

Treatment for exercise intolerance depends on its underlying cause. Management strategies may include:

  • Medications to treat specific conditions, such as heart failure, asthma, or diabetes
  • Physical therapy or a structured exercise program to gradually increase tolerance
  • Lifestyle modifications, including dietary changes and weight management
  • In some cases, surgical interventions may be necessary to address structural issues or diseases

Prevention[edit | edit source]

Preventive measures for exercise intolerance focus on maintaining a healthy lifestyle and managing risk factors for diseases that could lead to the condition. Regular physical activity, a balanced diet, avoiding tobacco use, and regular medical check-ups can help prevent many of the underlying causes of exercise intolerance.

See also[edit | edit source]


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Contributors: Prab R. Tumpati, MD