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U.S. Department of Health and Human Services

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What is counterfeit medicine?

Counterfeit medicine is fake medicine. It may be contaminated or contain the wrong or no active ingredient. Counterfeit medicine is illegal and may be dangerous. The quality, safety, and efficacy of counterfeit medicines are not known. Counterfeit medicine is often sold illegally over the Internet or by illegal operators posing as licensed pharmacies.

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