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My cat has flea allergies. What are the best flea treatments for her?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Female | spayed | 11 years and 4 months old | 11 lbs

Hello, I am using Frontline Plus on my cats. One of then has a flea allergy develop about 1yr ago. She has started going out more, sitting in the garden with her sister. She is scratching much more now. Are there better treatments for fleas that would be effective when they could keep being picked up from the garden please? I have sprayed the whole house. They are 11yrs old. Thank you.

2 Answers

Most Helpful Answer

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Answered By Dr. Strydom, DVM

Veterinarian

Published on September 4th, 2017

I would personally use one of the oral pills like Comfortis or Bravecto. I like Bravecto because it's newer and the fleas haven't been exposed to it yet so there is no resistance. It is also nice because one dose lasts 12 weeks. All the other products only last 4 weeks. https://us.bravecto.com/for-cats.aspx The Adams spray does not work for long term use and you are just dousing her chemicals every time you use it. It is not bad for spot treatment here and there but I would not use it all the time. I would recommend you use this Flea/tick mousse maybe 1-2x a week. It is easy to apply and not as "chemically" as the Adams Spray. It is more natural. https://www.chewy.com/vets-best-waterless-flea-tick-cat/dp/148050 Also, I know you said you treated the house which is great but I'm not sure what product you used so I will recommend one. You also need to treat the yard. I like this house spray. I find it works the best: https://www.chewy.com/virbac-knockout-es-area-treatment/dp/53856 And I like this yard spray: https://www.chewy.com/advantage-ii-yard-premise-spray-32/dp/103395 You need to stay on top of the yard and house spraying as you know fleas will come into the house. I think you can get all these products in the UK. If not, I'm sure you can have them shipped over from the US. Hope this helps. If you have more questions feel free to post again!

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Other Answers

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    Answered By Laura Johnson VMD

    Veterinarian

    Published on

    Hi, thanks for using Petco Pet Education Center, formerly Petcoach! All flea products work the same regardless on how the pet picks up the fleas. I find here in the US more resistance with frontline. I recommend the Seresto collar. It is good for 8 months. Also Bravecto is good and lasts for 3 months. You want something that is quick acting and repels for your one that is flea allergic. I hope this helps!

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