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My cat got Hartz flea treatment. Is it safe or should I wash it off?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | 3 years and 10 months old

What is your experience and opinion of Hartz UltraGuard Pro Flea & Tick Treatment for cats? I did a treatment on my cat and then read some reviews and washed it off of her because of what I was reading.

1 Answer

Most Helpful Answer

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Answered By Destini R. Holloway, DVM

Veterinarian

Published on June 30th, 2017

I would not use it on my own cats. It is a harsh product on cats and I have seen a few clients have an intense reaction to it involving seizures and muscle spasms. I would instead use something like the Seresto collar. Best wishes.

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