More blood pressure meds recalled due to cancer risk

The drug valsartan is used to control blood pressure but several lots have been recalled due to an impurity which may cause cancer

The drug valsartan is used to control blood pressure but several lots have been recalled due to an impurity which may cause cancer

- A worldwide recall of a common blood pressure medication has expanded to another manufacturer.

Valsartan is used to control high blood pressure and treat heart failure.

The recall is for drugs produced by a Chinese company which may have been tainted with an impurity called NDMA (N-nitrosodimethylamine). The International Agency for Research on Cancer classifies NDMA as a "probable human carcinogen".

The initial recall was announced last month of 28 valsartan medications and Health Canada says all of the recalled products use an ingredient manufactured by Zhejiang Huahai Pharmaceuticals in China.

In the United States, the Federal Drug Administration expanded its recall of valsartan drugs to now include product from a plant in India which has a process similar to the Chinese company, Zhejiang Huahai Pharmaceuticals.

Health Canada says anyone taking the affected drugs should contact their health-care provider.

The agency emphasized that no one should stop taking their valsartan medication unless told to by their health-care provider.

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