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U.S. Department of Health and Human Services


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Darvon (propoxyphene hydrochloride) capsules, Darvon-N (propoxyphene napsylate) tablets, and Darvocet-N (propoxyphene napsylate and acetaminophen) tablets

Detailed View: Safety Labeling Changes Approved By FDA Center for Drug Evaluation and Research (CDER) -- September 2009


Summary View



Revised REMS approved and includes: 

  • The new safety information pertains to the risk of overdose and the potential to affect cardiovascular events,
    including life-threatening arrhythmias, associated with the use of propoxyphene products.