The main ingredient in Bayweiduo's mite anthelmintic medicine is flairana. It reaches the dog's body mainly through prototype elimination and will not cause damage to the dog's liver and kidneys. It is the most safe and effective product on the market. Fast brand of deworming medicine. Deworming will begin 2 hours after giving the dog Belvedere anthelmintic, which can kill 90% of parasites in the dog's body and outside.