FDA expands recall of blood pressure meds due to cancer-causing impurity

In the ongoing effort to determine the origins of a potentially cancer-causing impurity discovered in prescription blood pressure medications, the FDA has announced that Torrent Pharmaceuticals is expanding its own voluntary recall of its popular heart drugs. The company's Losartan tablets tested positive for elevated levels of N-Methylnitrosobutyric acid, or NMBA, a probable human carcinogen. The company had already issued a recall of some lots of its Losartan tablets, which are used to treat a...