If your pet has fleas, getting rid of them can be stressful and time-consuming. Sometimes it can even necessitate vet involvement if the flea infestation resists treatment. Therefore, preventing fleas with regular parasite treatment is prudent, and Advantage offers highly effective flea protection for cats, dogs and rabbits. Advantage kills fleas for up to 4 weeks, and also kills flea larvae in the home. Remember to treat the home with a flea spray and wash all soft furnishings as well. Advantage is not to be confused with Advocate.