Advocate (Advantage Multi) Spot-on For Cats & Kittens up to 4 kg (5-9 lbs) - No Rx requiredAdvocate (Advantage Multi) Spot on For Cats & Kittens up to 4 kg (5 9 lbs) Topical prevention and treatment of mixed parasitic infections on cats and kittens from 9 weeks of age and over 1 kg and up to 4 kg. Kills fleas on cats and prevents infestations for at least 4 weeks Kills fleas before they can lay eggs Kills flea larvae in the cat's surroundings Assists in the control of flea allergy dermatitis in cats Treatment of ear mite infestation(