American Regent recalls dog and horse medication over glass contamination

In the United States, a nationwide recall has been issued for dog and horse joint medications after glass fibers were discovered in injection vials during routine testing. The recall affects two lots of Adequan Canine Injection for dogs and two lots of Adequan i.m. Injection for horses. American Regent, Inc. has not reported any injuries related to the recall but urges consumers to stop using the products and consult a veterinarian if any problems occur.

American Regent recalls dog and horse medication over glass contamination
1 source
science Published Aug 5, 2026

Topic overview

In brief

  • A nationwide recall has been issued for specific lots of dog and horse joint medications due to glass fibers found in vials.
  • The affected products include Adequan Canine Injection for dogs and Adequan i.m. Injection for horses.
  • Consumers are advised to stop using the recalled products and consult a veterinarian if any issues arise.

Summary

In the United States, a nationwide recall has been initiated for specific lots of joint medication used for dogs and horses. This action was taken after American Regent, Inc. discovered glass fibers floating in the vials during routine testing. The affected products include two lots of Adequan Canine Injection, which is designed to treat joint dysfunction in dogs, and two lots of Adequan i.m. Injection, which is used for treating joint dysfunction and lameness in horses. Both medications are clear and colorless to slightly yellow solutions that are administered via intramuscular injection.

The company has stated that, to date, there have been no reported injuries related to the recall. However, they have emphasized the potential risks associated with administering injectable products that contain particulate matter, such as glass fibers. These risks include local irritation, swelling, inflammation, injection site pain, infection, or abscesses. As a precaution, consumers are urged to stop using the recalled product lots immediately and either dispose of them or return them to the manufacturer.

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Updated Aug 5, 2026

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