FDA Looks Into Low Levels of Concerning Impurity in Zantac NewserFDA finds cancer-causing chemical in heartburn medicine Zantac CBS This MorningUS finds ‘probable’ cancer-causing chemical in popular heartburn drug WKBN.comCarcinogen in Zantac and its generics triggers probe into potential dangers PennLiveFDA finds 'probable' cancer-causing contaminant in popular heartburn drug Zantac WTVCView full coverage on Google News