Based on its test results through 1 November, the US Food and Drug Administration again refrained from calling for consumers and patients to stop taking ranitidine-containing drugs due to concerns about nitrosamine impurities that could cause cancer.
Agency tests found n-nitrosodimethylamine (NDMA), a nitrosamine impurity, in a range of oral solid and oral liquid dosage forms from 12 manufacturers, but generally at levels below the