08-18-2017, 11:06 AM
Join Date: Jan 2016
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I have also been told by vets to leave 3 days between bathing and applying the next treatment because those topical treatments use the skin oils as a distribution system and if you remove them with bathing and then apply the treatment they aren't going to be effective.
Not only this, but if you are bathing with Dawn, or any other "degreasing" shampoo, you are very effectively removing any topical flea product you applied. That's typically what the manufacturers recommend for removing the products in the event of an adverse reaction. Dawn is ok to kill off a flea load on an animal in a pinch, or if they are too young for chemical flea treatments, but it works by suffocating the fleas, so provides no lasting effect, and using it frequently is very drying for the skin.
In your position, I would check with your vet and see if they offer any oral flea control products, and use one of them for the next month or three, then you can switch back to a topical if you want. Make sure you are washing bedding, vacuuming, etc frequently as well.