Puppies can be given Interceptor® (milbemycin oxime) as young as four weeks of age and 2 lbs or greater!
Protection is key.
Puppies are vulnerable to infection by heartworms, roundworms, hookworms and whipworms just like adult dogs. Thankfully, they can get protection provided by Interceptor when as young as four weeks old and 2 lbs or greater!

To find out more, ask your veterinarian for a complimentary Interceptor Puppy Pack.

To learn more about how four common parasites are contracted and signs to watch for, select Heartworm Disease or Intestinal Parasites from the menu on the left side of this page.

  Important Safety Information
Dogs and cats should be tested for existing heartworm infection prior to use. In a small percentage of treated dogs, digestive and neurologic side effects may occur. Safety in heartworm-positive cats has not been established. Safety in breeding, pregnant, and lactating queens and breeding toms has not been established. To see the product label with complete safety information click here.

*A. caninum
Elanco logo
Interceptor, Elanco, and the diagonal bar are trademarks owned or licensed by Eli Lilly and Company, its subsidiaries, or affiliates.


Thank you for your purchase

Click here to redeem your rebate purchased in 2015.


Click here to redeem your rebate purchased in 2016.

Elanco Logo