Woman with dog outdoors
A woman petting her good dog

Prevent Heartworm Disease In Your Dog

HEARTGARD® Plus (ivermectin/pyrantel) prevents the invisible threat of heartworm disease and treats and controls five species of intestinal worms.

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#1 Vet-Recommended1

With over 30 years of protection, HEARTGARD® Plus is the #1 choice of vets for both their patients and their own dogs.1-3

#1 Dog-Preferred Chew4

HEARTGARD® Plus is the only real-beef chew, making monthly dosing easy and enjoyable.5 


HEARTGARD® Plus doesn’t just prevent heartworm disease for dogs 6 weeks of age and older, it also treats and controls hookworms  and roundworms.†6,7


Limited Time Rebate
GET $80*
Limited time offer for the Heartgard and Nexgard combo offer Limited time offer for the Heartgard and Nexgard combo offer
Get Up To a 2-Month Rebate*
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Get up to a 2-month rebate when you buy 12 doses of both HEARTGARD® Plus (ivermectin/pyrantel) and NexGard® (afoxolaner) from your vet.* Your dog needs a negative heartworm test and prescription from your vet prior to starting HEARTGARD Plus chews. Offer expires July 31, 2023.

Buy 12 Doses
GET $15*
HEARTGARD Plus for Dogs 26-50lbs Green Box HEARTGARD Plus for Dogs 26-50lbs Green Box
HEARTGARD® Plus (ivermectin/pyrantel) Rebate
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Buy 12 doses of HEARTGARD® Plus (ivermectin/pyrantel) and enjoy a $15 rebate.* Offer expires June 30, 2023.

NexGard® (afoxolaner) is for use in dogs only. Use with caution in dogs with a history of seizures or neurologic disorders. Reported side effects include vomiting, itching, lethargy, diarrhea, and lack of appetite. For full prescribing information, please click here.


*Of the same product in the same size at one time. Available only on purchases from your veterinarian. One coupon required for every joint purchase. May not be combined with any other offer. Rebate in the form of a Boehringer Ingelheim Mastercard® Prepaid Card. Please allow 6 to 8 weeks for delivery. Based on MSRP. Local prices may vary.

Veterinarian with a dog Veterinarian with a dog

I have been using HEARTGARD Plus for over twenty years to prevent heartworm disease and control intestinal parasites in my patients. It has been proven to not only be a safe and effective preventive, but it is also a joy to administer as it is a tasty beef chew.

Joseph Zuckerman, DVM
A german shepherd with heart-shaped sunglasses on A german shepherd with heart-shaped sunglasses on
I use HEARTGARD Plus because it has a long-standing reliable reputation for being effective. My dog, Sullivan, a 5-month-old sable German Shephard, loves the best tasting heartworm preventive on the market!”
Gage Blackstone, DVM

Need a prescription? Find a vet near you using our Find A Vet tool.

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Map showing moderate to high infection risks based on USA state geography

The Risk of Heartworm Disease is Real

Heartworm disease has been diagnosed in all 50 states.8 And just one bite from an infected mosquito can transmit this potentially deadly disease to your dog. The risk is real. That’s why vets recommend using monthly heartworm disease prevention all year long.

puppy playing on grass

Hookworms and Roundworms Are Unexpected Threats

Your dog can get hookworms and roundworms by stepping in contaminated soil at the park or ingesting them in your own backyard. Luckily, HEARTGARD Plus chews treats and controls three species of hookworms and two species of roundworms. Learn why there’s more to love in the only real-beef chew.

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A woman holding a puppy in the backyard

Caring for Your New Pet

With the help of animal health professionals, we created HealthyHabitsforPets.com, a trustworthy, online resource to help you care for your new pet. From preventive care to dental health and vaccinations, the answers and information you need are available 24/7.

Fleas and ticks are threats to your dog, too. Pair up HEARTGARD Plus Chews with powerful flea and tick protection.