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Understanding drug-supplement interactions

Do you take dietary supplements and medications? Read about the risks in a new resource from the National Center for Complementary and Integrative Health.

Many people take dietary supplements and medications together as a part of their daily health regimen, but few are aware of the potential for harmful interactions between prescription drugs, over-the-counter drugs, and dietary supplements. To help you learn more about these types of interactions, the National Center for Complementary and Integrative Health (NCCIH) created an interactive web resource that includes information about how supplements can change the effectiveness of your medications and how to work with your healthcare provide to make sure you’re taking them together safely. And for more information, please read HPRC’s Supplements and medications­ – What’s the problem?

Supplements and medications – What’s the problem?

Dietary supplements can affect how medications work in your body. Read more on what you can do to keep yourself safe.

Dietary supplements and medications (prescription or over-the-counter) can be a dangerous combination. Many dietary supplement ingredients, especially herbs and botanicals, can interact with drugs or even other dietary supplements, which can either increase or decrease the effectiveness of your medications. In other words, you could be getting too much or too little of the medications that you need, putting your health at risk.

If you are taking or plan on taking a dietary supplement, inform your healthcare provider to make sure it’s safe to use with your medications. Even then, you should still take caution, as some dietary supplements contain ingredients not listed on the label.

The Food and Drug Administration (FDA) advises consumers to be aware of certain supplement/drug interactions and offers tips to stay safe. For more information, see the FDA’s Consumer Update. And for information about many known interactions, visit the Natural Medicines Comprehensive Database (NMCD).

Can I take weight-loss prescription medications?

What are the service-specific policies on weight-loss prescription medications? Read more to find out.

Weight-loss (diet) prescription medications are generally not permitted, but it’s important to check your service’s policy for specific conditions that may exist. Read this OPSS FAQ to find out more details, including links to specific policies. Also, be sure to check the OPSS site often, as we add answers to other questions about ingredients in performance-enhancing and bodybuilding supplements and how to choose supplements safely.

If you have a question about a particular dietary supplement ingredient or product, please use our “Ask the Expert” button located on the OPSS home page.

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