Zantac Heartburn Drug May Contain Carcinogen: FDA

Posted on September 14, 2019


A substance that could cause cancer has been found in some ranitidine heartburn and ulcer medicines, including the brand-name drug Zantac, and the source of this contamination is being investigated, the U.S. Food and Drug Administration says.

While preliminary tests found low levels of the nitrosamine impurity N-nitrosodimethylamine (NDMA) in some ranitidine products, the FDA said this does not mean patients taking the drugs should stop using them now.

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