New Toxic Drug Impurities Detected in Some Heart Pills in U.S.



Over the past three years, millions of blood pressure pills that contain a probable carcinogen have been recalled around the world. As pharmaceutical companies have worked on finding a fix, they’ve discovered an entirely new problem: Another potentially dangerous chemical is showing up in the same drugs.


The new chemicals are called azido impurities and regulatory authorities say they’re mutagenic, meaning they can change someone’s DNA and potentially increase cancer risk.


The impurities were found in blood pressure drugs which have been recalled in Canada as well as Europe earlier this year. U.S. officials helped lead the way in the 2018 recalls of the same type of drugs tainted with the probable carcinogen N-Nitrosodimethylamine, or NDMA, though they have yet to pull any for containing the azido impurities.


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This article originally appears at Bloomberg. To read the full article, click here.