Pet Talk - Pet Health
by Dr. Fran Good, DVM
August 11, 2003
But we'd always laugh and say 'Dream on'.
Photo by Chris Wilhelm
But still no good for allergic animals.
The next product I remember hitting the market was Ex-Spot© by Defend. This was the tried-and-true permethrin, applied topically, that had been made to last for four weeks. It took care of the adults on contact, which broke the reproductive cycle pretty pointedly, by killing the reproducers. The only problem remaining was that permethrins, applied improperly, or applied to cats at all, would result in an emergency toxicity call.
And we had quite a few of those. Cats. Emergency calls about improperly applied permethrins. Emergency calls about permethrins improperly applied to cats. Take your pick.
When Bayer created a product called Advantage©, which was topically applied to the skin at the back of the neck, we thought this was the end-all-and be-all of flea control. Now we had the once-a-month advantage (no pun intended) and the pet didn't need to get bitten for imidacloprid, the active ingredient in Advantage© to work. Imidacloprid killed fleas within a few minutes of contact, but caused very, very few toxic reactions.
And it was great stuff, I mean it is great stuff. But there are other dangerous critters out there besides fleas.
Next: How the monthly flea
treatments welcomed other members of the parasite family to the
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