Why Switch to Interceptor® Plus?

Find out how monthly Interceptor Plus provides effective, year-round heartworm disease protection.

Protects from all 5 major worms, not just 2 or 3

Interceptor Plus protects your dog against not only heartworm disease, but all five major worms including heartworm, hookworm, roundworm, whipworm and tapeworm. That’s more types of worms than Heartgard® Plus (ivermectin/pyrantel) and Simparica® Trio (sarolaner/moxidectin/pyrantel).

Ask your veterinarian if Interceptor Plus is the right choice to protect your dog. Your veterinarian can tell you how it prevents heartworm disease and treats and controls adult hookworm, roundworm, whipworm and tapeworm infections in dogs and puppies 6 weeks or older and 2 pounds or greater.

Is there a gap in your dog's protection?

Don’t settle for protecting your dog against fewer types of worms. Learn more about how to protect your dog with Interceptor Plus.

How it works

One Monthly Chewable with Many Benefits

When you choose Interceptor Plus, you’ll enjoy a number of benefits with one monthly chewable tablet.


Delivers a 2-in-1 Punch

Interceptor Plus delivers parasite protection with milbemycin oxime and praziquantel, the active ingredients in the product.


Protects your dog against not only heartworm, but all 5 major worms

Interceptor Plus protects against 5 types of worms while Heartgard® Plus and Simparica® Trio only protect against 3.


Wide Selection of Doses

Interceptor Plus makes it easy for your veterinarian to find the right dose for your dog. Available in 4 different dosing sizes, making it easier to treat dogs of many different sizes with one chew.

Purchase supply

Single Monthly Chew

Interceptor Plus is a prescription product available in a real chicken flavor chew that’s administered to your dog monthly.

As a pet owner, you work hard to keep your pet protected. Your dog's worm protection should work hard too. Discover how effective Interceptor Plus is at protecting dogs against worms.

Learn More

Discover Your FAQs


Interceptor Plus prevents heartworm disease and treats and controls adult roundworm, hookworm, whipworm, and tapeworm infections in dogs and puppies 6 weeks or older and 2 pounds or greater.

Important Safety Information

Treatment with fewer than 6 monthly doses after the last exposure to mosquitoes may not provide complete heartworm prevention. Prior to administration of Interceptor Plus, dogs should be tested for existing heartworm infections. The safety of Interceptor Plus has not been evaluated in dogs used for breeding or in lactating females. The following adverse reactions have been reported in dogs after administration of milbemycin oxime or praziquantel: vomiting, diarrhea, decreased activity, incoordination, weight loss, convulsions, weakness, and salivation. For complete safety information, please see Interceptor Plus product label or ask your veterinarian.

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