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Question from Sally Lyon

I have used another flea treatment on my dog and have found a flea. Is it safe to put on frontline?

Our Vet Says:

Dear Sally,
It really depends on what product you used. If the active ingredients are from the same group of insecticides, there needs to be a gap of at least three weeks between treatments. However, if the active ingredients come from different chemical classes then Frontline Plus can be safely used. Either way please wash your dog before the treatment. After the bath please allow at least two days until the flea treatment, this is the time the skin needs to regain its natural balance. When using Frontline Plus it is recommended that emollient shampoos be avoided because they reduce the product efficiency. Also when using topicals please keep your dog away from water for at least two days, this is the time the product needs to be fully dispersed all over the pet’s skin.
Always read and retain the information leaflet.


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I have alwaysused topical flea products non Cloey ever since she nwas old enough. This last summer I used Advantage and within about three weeks I had to put it on Cloey again. I found two types of fleas on her some were real teeny black ones and some were nbigger brown ones. The flea stuff worked for only 3 weeks on these fleas. when I used to buy it it used to say on the box works for up to three months and it DID. Have the companies watered the product down so that I have to buy it more...?

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