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Recall data is sourced from official U.S. government agencies (CPSC, FDA, NHTSA, USDA) and processed using AI to improve readability. This site is not affiliated with or endorsed by any government agency. Always refer to the original agency notice for authoritative information.

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Low RiskFDA Vet
Pets & Animals/Pet Medications

Virbac Inc: IVERHART MAX Chewable Tablets Recalled for Low Stability and Potency

Agency Publication Date: June 25, 2012
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Summary

Approximately 2,350 display cases of IVERHART MAX (ivermectin/pyrantel pamoate/praziquantel) chewable tablets for dogs weighing 50.1 to 100 lbs. have been recalled. Testing conducted nine months after manufacture showed that the product's stability had failed, meaning the active ingredients were lower than required levels. Because this medication is used to prevent heartworms and treat various parasites, a lower potency could result in the product being less effective than intended. These tablets were sold in 6-tablet boxes through veterinary clinics and pharmacies across several states.

Risk

The medication's potency dropped below acceptable levels during its shelf life, which may lead to inadequate protection against heartworms, hookworms, roundworms, or tapeworms. If a pet does not receive the full intended dose of active ingredients, they remain at risk for parasitic infections that the drug is designed to prevent or treat.

What You Should Do

  1. Check your dog's medication packaging to see if it is IVERHART MAX (ivermectin/pyrantel pamoate/praziquantel) for dogs 50.1 to 100 lbs. specifically identifying Lot #110482 with an expiration date of 11:2013.
  2. If you have medication from this specific lot, contact your veterinarian immediately to discuss your dog's parasite prevention plan and to determine if alternative treatment is needed.
  3. Contact the pharmacy or veterinary clinic where you purchased the medication to arrange for a return of any unused tablets for a refund.
  4. For further instructions or questions regarding this recall, contact the manufacturer, Virbac Inc, at their Bridgeton, Missouri location.
  5. For additional questions or to report concerns, you may contact the FDA Center for Veterinary Medicine at 1-888-463-6332.

Your Remedy Options

๐Ÿ’ฐFull Refund

Contact your veterinarian or pharmacist for guidance. Return any unused product to the pharmacy for a refund.

How to: Consumers should return the unused portion of the recalled lot to the place of purchase for a refund and consult their veterinarian for replacement medication.

Affected Products

Product: Virbac IVERHART MAX (ivermectin/pyrantel pamoate/praziquantel) Chewable Tablets for Dogs 50.1 to 100 lbs. (6-tablet box)
Model:
NADA 141-257
V-088-2012
Lot Numbers:
110482 (Exp. date 11:2013)
Date Ranges: Expiration date November 2013

Additional Information

Agency: Food and Drug Administration (FDA)
Event ID: 61441
Status: Resolved
Manufacturer: Virbac Inc
Sold By: Veterinary clinics; Animal pharmacies
Manufactured In: United States
Units Affected: 2,350/10/6-tablet box displays
Distributed To: Texas, Missouri, Oregon, California, Hawaii, Minnesota, Wisconsin, New Jersey, Michigan, Florida, Mississippi, Maryland, Puerto Rico

AI-Enhanced Content: The summary, action steps, and risk assessment on this page were generated by AI from official government recall data to improve readability. This is not legal or medical advice. Always refer to the official agency sources below for authoritative information.

Sources: FDA iRES ยท Raw API Response