Concerns that metformin products may contain a carcinogenic N-nitroso impurity have yet to be confirmed and patients should be strongly advised not to stop taking the medication, the TGA says. Following a recent recall of ranitidine products due to contamination with the chemical N-nitrosodimethylamine (NDMA), international regulators are now investigating whether metformin products have also ...
No evidence of metformin carcinogen contamination: TGA
By Michael Woodhead
20 Jan 2020