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Can I bathe cats with flea shampoo after Capstar to kill flea eggs?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Longhair | Male | 1 year and 11 months old

If I give my two cats a capstar pill and I wait at least an hour can I give them a bath with Adams flea shampoo to kill any flea eggs or larva they may have on them?

2 Answers

Most Helpful Answer

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Answered By Megan, DVM, CVA

Veterinarian

Published on August 22nd, 2017

Yes you can as long as the shampoo says it is safe for cats. This will only get the fleas that are currently on them off. After the capstan wears off in 24 hours, it will prevent more fleas from jumping on him. Also, keep in mind that fleas don't live on the cat, they live in the environment. I would recommend to treat the house and yard for fleas as well. And I would recommend to get Oatmeal started on a high quality monthly flea preventative sold by your vet like cheristan, comfortis, etc. I hope this helps.

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Other Answers

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    Answered By Vanessa Yeager DVM MPH

    Veterinarian

    Published on August 22nd, 2017

    Hello! Yes, using those products will kill the adult fleas, flea eggs, and flea larva. However, in order to prevent Oatmeal from getting fleas on her again, I would use a monthly flea preventative Rx by your veterinarian. If she is an outdoor cat then she can easily acquire fleas if she is not on a preventative, monthly. Even if she is indoors, fleas can come inside your home and hide in cracks and crevices. The pupal stage of the flea can actually live dormant for months and be a source of potential re-infestation for Oatmeal if she is not on any monthly preventative. Lastly, please be sure the products you are using are safe for cats. Products with Pyrethrins in them are potentially toxic to cats and should be avoided.

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