I have 4 cats who I keep flea free just by keeping them indoors. However, we recently brought home a new puppy who had a few fleas and before I realized it our indoor kitties also had them. Put puppy on revolution due to his young age & immediately ordered Advantage for the feline brigade.. and within several hours we were once again flea free. I've had to use this on my cats only rarely- when in previous years I didn't put it on the indoor/outdoor pooch early enough in the spring & he'd bring the fleas in to the cats. Will keep this new puppy on something year round now just so this doesn't happen again. Always have been very comfortable using Advantage- and over the years, no ill effects on any of my critters.
My cats, somewhere, picked up a couple fleas and a couple is never all you ever end up with. I tried baths and powders around the house but they was only really good for a little while. These have made quite the difference, though I do wish I'd have checked around locally a little more, I found almost the same thing for almost the same price and wouldn't have had to wait for shipping. Still, the cats are happier and that makes me happy.
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