A friendly woman pets her happy dog
Friendly woman affectionately touches attentive dog's head

Give Your Dog Love and Protection

When you protect your dog with HEARTGARD® Plus (ivermectin/pyrantel), preventing heartworm disease and treating and controlling roundworms and hookworms isn’t just easy—it’s a delight for you both. HEARTGARD Plus is the only real-beef chew, and dogs love its delicious taste.1

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#1 Vet-Recommended2

HEARTGARD is the #1 choice of vets to prevent heartworm disease.2 In fact, they trust it so much they’ve prescribed over 2 billion doses.3

The Real-Beef Chew Dogs Love1

HEARTGARD is a powerful heartworm disease preventive in a delicious real-beef chew. Dogs love the taste,1 and you’ll love the peace of mind.

Proven Safety

Veterinarians and dog owners have trusted HEARTGARD for over 34 years. It’s even safe for puppies at 6 weeks of age, with no minimum weight requirement.


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Friendly vet pets dog in vet clinic

Get Special Offers From Your Vet

Ask your vet about HEARTGARD Plus and how you can get special offers when you buy from them in-clinic or through their online pharmacy. If your vet has an online pharmacy, you can purchase HEARTGARD Plus, and view any online savings or rebates, with the Buy Now button on our Find Your Vet page.

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Woman holding Heartgard package give medication to dog in home

Find Retail Pharmacies

If you have a prescription, you can buy the preventive power of HEARTGARD Plus through a retail pharmacy.