Hartz flea collar almost killed my cat

My cat had trouble breathing and was not acting normal 2 days after wearing the Hartz ultra guard collar. He had to spend the night at the vet and is now on medication. I’m glad we were able to get him treated promptly and hope he will recover quickly.

One thought on “Hartz flea collar almost killed my cat”

  1. As a veterinary technician for the last 21 years I have seen countless animals come in This horrible neurological symptoms some of them don’t make it in somewhere on the brink of death. I’ve been caught by store managers hiding hearts flea and tick prevention and was told to leave the store. Even after I showed him videos of what this medicine does they still keep it on the shelf

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