Hey,
I recently switched to this product from frontline plus. I can say that it did not work for my dog. However, there was an extenuating circumstance. My roommate stopped giving her dog flea medicine unannounced to me so my dog was probably at a much higher risk rate for flea infestations. Anyhow, she got a flea infestation and I switched her back to the front line and the fleas are gone now (less than 24 hours later). This is my second month on the costco brand. Something to consider for people thinking of switching...The costco brand does not kill eggs or larvae (it may claim to but research and reviews show that the active ingredients are highly effective in killing adult fleas but not as high at killing eggs and larvae). Frontline plus does kill the eggs and larvae. If you live in a lower risk area, the costco brand might be a good preventative product. But the important thing is that once your dog has fleas on it, SWITCH back to frontline or advantix or some other brand with an excellent reputation. Fleas are not going to kill your dog and with the money you save with this product it may be worth a shot for some people, but just keep in mind that you may have to buy the 'good stuff' anyways. Overall, I would not recommend to a friend because the trouble and time I wasted learning all this information that I have posted here was not worth my while to save 50 bucks on flea medicine. My loss is your gain.
I recently switched to this product from frontline plus. I can say that it did not work for my dog. However, there was an extenuating circumstance. My roommate stopped giving her dog flea medicine unannounced to me so my dog was probably at a much higher risk rate for flea infestations. Anyhow, she got a flea infestation and I switched her back to the front line and the fleas are gone now (less than 24 hours later). This is my second month on the costco brand. Something to consider for people thinking of switching...The costco brand does not kill eggs or larvae (it may claim to but research and reviews show that the active ingredients are highly effective in killing adult fleas but not as high at killing eggs and larvae). Frontline plus does kill the eggs and larvae. If you live in a lower risk area, the costco brand might be a good preventative product. But the important thing is that once your dog has fleas on it, SWITCH back to frontline or advantix or some other brand with an excellent reputation. Fleas are not going to kill your dog and with the money you save with this product it may be worth a shot for some people, but just keep in mind that you may have to buy the 'good stuff' anyways. Overall, I would not recommend to a friend because the trouble and time I wasted learning all this information that I have posted here was not worth my while to save 50 bucks on flea medicine. My loss is your gain.