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How can I find out if a prescription drug may be causing my fatigue?

Emilia Klapp
Nutrition & Dietetics
You may have to do your homework. Many doctors are not aware of the interaction between the drugs they prescribe and food, for instance. You can look up your medication in the Physician’s Desk Reference on the Web or at the library and check if fatigue is listed as a complication; however, fatigue often is not listed as a side effect if it has not occurred in a high percentage of people. Your pharmacist might know if your medication can cause fatigue. If you have concerns about a particular medication and fatigue, 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. You also can inquire about other medications that serve the same purpose and research those as well.

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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.