Heartburn Drug Zantac May Contain Small Amounts of Known Carcinogen, FDA Says
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.
NDMA is the same contaminant found in many brands of blood pressure and heart failure medicines during the past year, leading to recalls.
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