Recalled lots did not meet standards over the life of the product.
Virbac Animal Health voluntarily recalled six lots of Iverhart Plus Flavored Chewables March 29. According to a letter the company sent to veterinarians and their staffs, product testing revealed that the ivermectin potency failed to meet stability specifications during the life of the product.
The result is that recalled lots may not fully protect dogs in the upper third of each weight range against heartworms. No adverse heartworm-related reactions or illnesses have been reported to date in regard to this recall, but Virbac Animal Health requests that those practices in possession of Iverhart Plus Flavored Chewables immediately examine inventory, isolating all recalled lots to prevent further distribution. Veterinarians should communicate directly with distributors on how to dispose of affected product. Veterinarians are also requested to fill out a recall response form for distributors. Those affected by the recall can receive a credit or replacement product through their distributor.
Virbac Director of Technical Services Frank S. Hurtig, DVM, says in a release that Virbac veterinarians and veterinary technicians are available to address questions and concerns regarding the recall and testing recommendations for potentially affected pets. Call Virbac Technical Services at 800-338-3659, ext. 3052, after filling out the recall response form.