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Heartgard: Chewable Heartworm Prevention for Dogs and Cats

Choose Heartgard, a vet-recommended brand for heartworm disease prevention, to protect your pet from this deadly threat before it can even begin.

Frequently Asked Questions About Heartgard: Chewable Heartworm Prevention for Dogs and Cats

Once your pet has a negative heartworm test, just bring an active prescription from a licensed veterinarian dated within the past 12 months to your neighborhood Petco Pet Care Center, or have it handy and shop here at Petco online to stock up on Heartgard for your dog or cat.

Heartgard is a prescription monthly chew for cats and dogs that’s made with real beef and contains the active ingredients ivermectin indicated for the prevention of heartworm disease.

Yes. Heartgard has shown a wide margin of effectiveness at the recommended dose level in most dogs, including pregnant or breeding bitches, stud dogs and puppies aged 6 or more weeks.

Heartgard protects against canine heartworm disease by eliminating the tissue stage of heartworm larvae—Dirofilaria immitis—for a full 30 days.

Administer Heartgard chewables every 30 days to ensure full protection against heartworm disease.

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