Teva Pharmaceuticals USA, Inc. has initiated a voluntary recall of 35 batches of Losartan Potassium USP tablets in the United States.
This recall is based on detection of a carcinogenic contaminant – N-nitroso-N-methyl-4-aminobutyric acid (NMBA).
The lots were sold exclusively to Golden State Medical Supply of Camarillo, California. Golden State Medical Supply packs this mass-produced product under its own label and sells it in retail bottles of 30, 90 and 1000 tablets.
So far, Teva has not received any reports of adverse events related to the recall of the lots.  The affected losartan potassium tablets which are being recalled are described as:
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