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Can a test determine whether medication is causing my fatigue?

Emilia Klapp
Nutrition & Dietetics
There is no standard laboratory test to determine if a particular medication causes fatigue. The test, so to speak, is whether your symptoms improve after changing or discontinuing the drug. However, you can ask your doctor to order a lab test to assess your biochemistry levels, which could indicate a nutritional deficiency in B vitamins or magnesium. If you have concerns about a particular medication and fatigue, ask your doctor about other medications that serve the same purpose and whether switching is an option.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.