PURINA TOTAL CARE Flea & Tick Control Plus for Cats & Kittens kills onset and re-infestations with newly acquired adult fleas for one month. It also prevents the development of flea eggs, larvae and pupae produced by adult fleas acquired for six weeks after treatment. It may be used for the treatment and control of Flea Allergy Dermatitis in cats. It may be used as the only product for flea control as it breaks the life cycle on the animal and in its surroundings by killing all stages of fleas. Units in pack: 1 x 0.50 mL Tube Dosage: Once a month Suitable for: Cats and kittens Not recommended for: Kittens less than 8 weeks old