Zoetis Adds Warnings to Label for Dog-Pain Drug [View all]

Animal-drug maker Zoetis is alerting dog owners and veterinarians to potential debilitating side effects from a new arthritis injection that have caused some dogs to be euthanized.

The company said Tuesday it updated the prescribing label of the drug, Librela, to mention rare health problems that had been reported since its introduction in the U.S. in 2023. A new section of the drug’s prescribing label lists seizures, paralysis, lethargy and muscle weakness, some of which led to euthanasia, the company said.

The updated label advises veterinarians to discuss potential side effects with dog owners before injecting the drug. Zoetis also said vets should give information sheets to dog owners that discuss side effects.

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Zoetis said it remains confident in the safety and effectiveness of Librela, which was the first antibody-based treatment for osteoarthritis in dogs. The company said the potential side effects were rare, fewer than 10 per 10,000 animals treated. More than one million dogs in the U.S. have been treated.

https://www.wsj.com/health/pharma/zoetis-adds-warnings-to-label-for-dog-pain-drug-7327866e?st=2MRLjW&reflink=desktopwebshare_permalink

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