Sandoz issued a voluntary recall of 1,023,430 units of Zyrtec (10 mg) capsules as a result of failed impurities and a specification being reported for impurity at the 21-month stability time point, according to an FDA Enforcement Report.

Zyrtec (cetirizine) is an antihistamine that is used to treat cold or allergy symptoms such as sneezing, itching, watery eyes, or runny nose, as well as itching and swelling caused by chronic urticaria.