Bests & Worsts Reviews from Amazon

This product works great for many many people. For us, we've used Seresto on both our cats and our dogs, and finally have found an affordable alternative for flea control! We've used this product for well over a year and this will be my third time ordering more for everyone. (We do have to bathe our pets occasionally, so it doesn't quite last us 8 months per collar.) I'm a dog trainer and frequently see other owners who also love this product and use it on their own pets, so it does work well when your pet isn't sensitive to it. Have not seen ONE flea on anyone in all this time - and we live in the deep south where the fleas are almost as abundant as the mosquitos. And daily/weekly combing (depending on which pet/coat) is part of our schedule, so they do still get checked just in case the collars might fail. However, if you're going to try a new product - ANY new flea/tick product on your pet - please don't just leave it on for 24-48 hours or more and then sit back on your heels while your pet acts strange or starts having seizures. I can't believe how many reviewers have left this collar on for so long before they finally put two and two together and remove it if their pet has a reaction. Put this collar on when you'll be HOME, and when you're ready to monitor them for any and all adverse side effects. In fact I'd watch behavior for up to two weeks before I really relaxed, with any new product or drug. Duh. If your pet starts to act at all strange, remove the collar immediately and call your vet. This is not rocket science, people. Adverse reactions can happen with almost ALL current forms of flea and tick prevention, nothing seems to be 100% safe for every pet. But as far as my house is concerned, Bayer hit a home run with this one so far. Thank you Bayer!