FDA says new testing method found unacceptable levels of impurities in heartburn drugs

FDA says new testing method found unacceptable levels of impurities in heartburn drugs
Reuters: Health
The U.S. Food and Drug Administration said on Wednesday it found "unacceptable levels" of a cancer-causing impurity in limited testing using low-heat method of samples of heartburn medicines such as Zantac containing the ingredient ranitidine.