How Much Do You Know About Drug Interactions?

Every year, thousands of people have interactions between prescribed drugs and over-the-counter (OTC) drugs, or between drugs and herbal products. Other unexpected interactions can occur between drugs and certain foods or health conditions. Learn what you can do to prevent these interactions by taking this quiz.

1. A variety of substances can alter how well a drug works.
2. A drug-drug interaction occurs when 2 drugs together create a "helpful" side effect.
3. A drug-food interaction occurs when a medicine interacts with a substance in a food or beverage.
4. A drug-alcohol interaction can lead to extreme drowsiness and other effects.
5. A drug-condition interaction occurs when a medicine is harmful to someone with certain health conditions.
6. OTC and prescription medicines don't interact with herbal remedies and supplements.
7. Using the same pharmacy for all your prescriptions can help make drug interactions less likely.
8. You don't need to read the labels of OTC medications if you have taken them before.
9. Talk with your pharmacist or health care provider before taking any new OTC medication.
10. If you experience a drug interaction, call your health care provider.

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