Credelio Tick & Flea Treatment + Flea Infestation Protection for Dogs 50.1-100.0 lbs. (Blue Box)

Fast-acting ingredients start killing Ixodes ricinus ticks and adult fleas in just 4 hours Kills all fleas in 12 hours & stays effective throughout the entire month Easy to give your dog; no greasy, messy application Tasy beef-flavored chewable tabletYou may also like Credelio Cat Flea & Tick Infestation Prevention and Treatment for Cats 4.1-17 lbs. (Teal box).