How long does PPX stay in your system?
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4 min read
As an opioid analgesic that was voluntarily withdrawn from the U.S. market in 2010 due to safety concerns over fatal cardiac toxicity, propoxyphene (PPX) is no longer prescribed. However, questions about how long PPX stays in your system remain relevant for drug testing and retrospective analysis. Its presence is primarily determined by the detection time of its toxic, long-lasting metabolite, norpropoxyphene.
