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What shampoo can I use after dog flea treatment without washing it off?

Updated On September 23rd, 2025

Pet's info: Dog | Boykin Spaniel | Female | unspayed | 4 months and 16 days old | 22 lbs

Is there a shampoo that can be used with a flea topical such as Advantix that won't wash the topical off? I know staying away from detergents like Dawn or anything that can strip them of their oils. Thanks!

2 Answers

Most Helpful Answer

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Answered By Dr. Leigh, DVM

Veterinarian

Published on September 22nd, 2019

According to the manufacturer..... Please wait 48 hours between product application and bathing. A non-medicated shampoo made for dogs is fine. Baths can be given as often as once per month without affecting the performance of the product. If more than one bath is given, the product should be reapplied after the second bath. Flea shampoo, medicated shampoos, human shampoo and dish detergents are not appropriate choices when managing fleas with K9 Advantix® II and may affect the performance of the product.

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    Answered By Anna M., DVM

    Veterinarian

    Published on July 12th, 2017

    It is not necessary to wait to treat the fleas; I recommend treating them as soon as possible, and continue treating at least 3 months. You do not need to bathe them prior to treatment, and it is not recommended to bathe them after treatment so that won't be a problem. Dish soap may help encourage adult fleas to jump off, but will not treat the underlying flea problem as it will not address the earlier life stages such as eggs, nor will it do anything for the fleas in the environment. It is important to treat the environment, as well as all pets in the house. Hope this helps!

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