Is Lethargy a Sign of a More Serious Condition?

Lethargy can be a temporary response to stress, poor sleep, dehydration, or minor illness, but persistent lethargy may signal a more serious condition. Chronic fatigue can be associated with infections, anemia, thyroid disorders, depression, cardiovascular disease, or adverse medication effects. If lethargy is accompanied by fever, weight loss, shortness of breath, confusion, or pain, medical evaluation is advisable. Certain treatments, including antibiotics like cephalexin capsules wholesale suppliers provide to pharmacies, address underlying infections rather than fatigue itself. Consulting a healthcare professional ensures proper diagnosis, targeted treatment, and timely intervention when lethargy reflects serious illness requiring prompt assessment and clinical management.