American Regent (a subsidiary of Luitpold Pharmaceuticals) announced a voluntary recall of a single lot (Lot # 0491, Exp. Date: 8/2012), of magnesium sulfate injection, USP 50% (25 grams/50mL) 50 mL single dose vial. This voluntary recall was initiated because some vials of this lot were observed to be slightly discolored and upon standing have the appearance of sediment on the bottom of the vials.

Magnesium sulfate injection is indicated for the treatment of life-threatening convulsions (in the treatment of severe toxemias of pregnancy and pediatric acute nephritis) and uterine tetany, as well as the prophylaxis and treatment of hypomagnesemia.

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