Exercise Intolerance Is Not a Diagnosis — It’s a Symptom
A comprehensive list of possible illnesses or disorders that can be associated with exercise intolerance, grouped by category: Introduction Exercise intolerance refers to an abnormal or reduced capacity to perform physical activity. It commonly presents as excessive fatigue, shortness of breath, muscle weakness, or pain that is disproportionate to an individual's age, fitness level, or overall health status. Exercise intolerance is not a diagnosis in itself but rather a clinical sign that may indicate a broad range of underlying disorders. Potential causes include cardiovascular, respiratory, neuromuscular, metabolic, genetic, infectious, endocrine, and other systemic conditions. Before arriving at a definitive diagnosis or treatment plan, it is important to recognize that exercise intolerance is not always caused by disease alone. Certain lifestyle and nutritional factors can produce similar symptoms and should be assessed early in the clinical evaluation. Focus The list below cat...