Blood Pressure Drug Recall: Teva Pulls Losartan Tablets Tainted With Possible Carcinogen

Teva Pharmaceuticals this week expanded its recall of losartan potassium tablets after detecting a possible human carcinogen in the blood pressure medication.

The Israel-based drugmaker recalled six more lots of losartan potassium that contained unacceptable levels of a nitrosamine impurity. In April, Teva pulled 35 lots of the drug after detecting the same impurity, N-Nitroso-N-methyl-4-aminobutyric acid, or NMBA.

Teva sold bulk lots of the drug to California-based Golden State Medical Supply, which packaged and shipped the medication to pharmacies in bottles that contain 30, 90 and 1000 tablets, according to a recall notice shared by the U.S. Food and Drug Administration.

Consumers affected by the recall should continue taking their medication and ask their doctor or pharmacist about alternatives or replacement drugs. Discontinuing a medication without a replacement could cause a patient more harm than continuing the drug.

Since July, two dozen drug companies have recalled hundreds of lots of commonly-prescribed blood pressure and heart medications losartan, valsartan and irbesartan  after testing revealed some versions had small amounts of suspected carcinogens. The recalls of the class of drugs called angiotensin II receptor blockers (ARBs) have highlighted the complex international drug supply chain with 80 percent of drug ingredients consumed by U.S. residents made at factories overseas.-USA Today

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