WASHINGTON — A New Jersey pharmaceutical company has voluntarily recalled more than 11,000 bottles of a widely used blood pressure medication after testing revealed contamination with a cholesterol-lowering drug, the Food and Drug Administration announced.

Glenmark Pharmaceuticals Inc., based in Elmwood Park, initiated the recall for specific lots of Ziac, a combination medication containing bisoprolol fumarate and hydrochlorothiazide. The tablets, manufactured at the company's facility in Pithampur, India, were distributed nationwide.

Testing of reserve samples detected traces of ezetimibe, a prescription medication used to reduce cholesterol absorption in the intestines. The contamination appears to have occurred during the manufacturing process, according to the FDA enforcement repo

See Full Page