Advantage 100 - Medium Dog - 4 pack

For the prevention and treatment of flea infestations on cats and dogs, and for the treatment of biting lice (Trichodectes canis) on dogs. For the treatment of flea infestations on pet rabbits. Fleas are killed within one day following treatment. One treatment prevents further flea infestation for up to four weeks on dogs, three to four weeks on cats and up to one week on pet rabbits. The product can be used as part of a treatment strategy for Flea Allergy Dermatitis (FAD) in the cat and the dog, where this has been previously diagnosed by a veterinary surgeon. Active ingredient: Imidacloprid