Capstar Green Box Flea Oral Treatment for Large Dogs Over 25lbs. 6 Pill/Tablets Free your dog or cat from fleas by giving it Novartis Capstar Green 6 tablets. With the active ingredient Nitenpyram, this oral flea remedy scientifically interferes with the nerve transmission to kill fleas. Moreover, this Novartis flea remedy is suitable for cats and dogs weighing 25 pounds and above. The recommended dosage of these Novartis Capstar Green 6 tablets oral flea remedy should not exceed one per day to keep your pet in good health. Whats more, the strong formula of this Novartis flea remedy helps your pet get rid of these fleas just after 4 to 6 hours of consuming it.