Interceptor® Plus (milbemycin oxime/praziquantel) Protects Against 5 Types of Worms

Interceptor Plus protects against 5 types of dangerous worms in dogs. It’s a once-monthly, tasty chew, flavored with real chicken that’s approved for dogs and puppies 6 weeks or older and 2 pounds or greater.

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Why Switch to Interceptor Plus?

Interceptor Plus delivers many benefits to your dog. And knowing you’re providing protection against dangerous parasites gives you comfort, too.


Deliver a 2-in-1 Punch

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


Protect Against More Types of Worms

With Interceptor Plus, you get protection against 5 types of worms compared with 3 types of worms with Heartgard® Plus.*


Wide Selection of Doses

Interceptor Plus makes it easy 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 single flavored chew that’s administered to your dog monthly.

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How it Works


Discover how Interceptor Plus works to effectively protect dogs against Heartworm disease, and treats and controls hookworms, roundworms, whipworms and tapeworms.

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Register for Reminders

Get text or email reminders when it’s time to give your dog each monthly dose, or refill their Interceptor Plus prescription.

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You Also Might Be Interested in…

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360 Degree Protection

Interceptor Plus provides broad spectrum parasite protection that protects against 5 types of worms in dogs.



Want to learn more about Interceptor Plus and the types of worms it protects against? Discover our resources.


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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