Cat poisoning in UK highlights danger of fake flea controls

Authorities in the United Kingdom are alerting pet owners about counterfeit topical flea and tick treatments that have poisoned at least one cat.

A bogus treatment given to that animal, bought online through the popular e-commerce site eBay and bearing the Frontline brand, was found to contain pirimiphos-methyl, a powerful insecticide that is toxic to cats.

This story was published on July 1, 2025.