Sentinel for dogs

Sentinel Brown 6 PK for Dogs 2-10 lbs.

Sentinel is the only oral preventive, administered monthly, that will guard your dog 4 weeks or older against heartworms, adult hookworms, adult roundworms and whipworms, all the while preventing the development of flea eggs! A prescription from your veterinarian is required to purchase Sentinel.

Sentinel Brown 12PK for Dogs 2-10 lbs.

Sentinel is the only oral preventive, administered monthly, that will guard your dog 4 weeks or older against heartworms, adult hookworms, adult roundworms and whipworms, all the while preventing the development of flea eggs! A prescription from your veterinarian is required to purchase Sentinel.

Sentinel Green 6PK for Dogs 11-25 lbs.

Sentinel is the only oral preventive, administered monthly, that will guard your dog 4 weeks or older against heartworms, adult hookworms, adult roundworms and whipworms, all the while preventing the development of flea eggs! A prescription from your veterinarian is required to purchase Sentinel.

Sentinel Green 12PK for Dogs 11-25 lbs.

Sentinel is the only oral preventive, administered monthly, that will guard your dog 4 weeks or older against heartworms, adult hookworms, adult roundworms and whipworms, all the while preventing the development of flea eggs! A prescription from your veterinarian is required to purchase Sentinel.

Sentinel Yellow 6PK for Dogs 26-50 lbs.

Sentinel is the only oral preventive, administered monthly, that will guard your dog 4 weeks or older against heartworms, adult hookworms, adult roundworms and whipworms, all the while preventing the development of flea eggs! A prescription from your veterinarian is required to purchase Sentinel.

Sentinel Yellow 12PK for Dogs 26-50 lbs.

Sentinel is the only oral preventive, administered monthly, that will guard your dog 4 weeks or older against heartworms, adult hookworms, adult roundworms and whipworms, all the while preventing the development of flea eggs! A prescription from your veterinarian is required to purchase Sentinel.

Sentinel White 6PK for Dogs 51-100 lbs.

Sentinel is the only oral preventive, administered monthly, that will guard your dog 4 weeks or older against heartworms, adult hookworms, adult roundworms and whipworms, all the while preventing the development of flea eggs! A prescription from your veterinarian is required to purchase Sentinel.

Sentinel White 12PK for Dogs 51-100 lbs.

Sentinel is the only oral preventive, administered monthly, that will guard your dog 4 weeks or older against heartworms, adult hookworms, adult roundworms and whipworms, all the while preventing the development of flea eggs! A prescription from your veterinarian is required to purchase Sentinel.