Frontline Plus seems to be less effective than it used to be. K9 Advantix II also kills and repels mosquitoes that might transmit heartworm disease, which makes it a good addition to a dog's ...

Don't buy Frontline for your pet, it used to work on my dogs couple of years ago, now it's less effective. First use my dogs are biting and itching constantly now than before apply. The money I ...