Updated On September 23rd, 2025
Pet's info: Dog | Mixed Breed Small (up to 22lb) | Male | neutered
My dogs are 11, 13 and 15. I wanted to know if it was ok to use advantage treatment spray for dogs on them as well as K9 Advantix II for fleas.
1 Answer
Published on October 26th, 2019
You really should only need one or the other product. Putting both products on at the same is not recommended. If you are using Advantix II and you are still seeing fleas then I suggest you switch to another flea prevention.
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