woman holding labradoodle
woman holding labradoodle
| THE RISK IS REAL

Prevent life-threatening heartworm disease

Just ONE bite from an infected mosquito can transmit potentially deadly heartworm disease. Protect your dog year-round with HEARTGARD® Plus (ivermectin/pyrantel), the brand veterinarians recommend most.1

GET HEARTGARD LEARN MORE

For puppies 6 weeks of age and older

IMPORTANT SAFETY INFORMATION:

HEARTGARD® Plus (ivermectin/pyrantel) is well tolerated. All dogs should be tested for heartworm infection before starting a preventive program. Following the use of HEARTGARD Plus, digestive and neurological side effects have rarely been reported. For more information, contact your veterinarian or click here for full prescribing information.

yellow-lab-dog-sunny-day-image
The #1 Dog-Preferred Chews3,4
Choose the Delicious Chews That Dogs Love

Nothing else comes close to the delicious tastes of HEARTGARD Plus and NexGard.3,4  They're the perfect pair for your dog's protection —two tasty chews that make monthly dosing twice the delight.

PROTECT YOUR DOG
IMPORTANT SAFETY INFORMATION:

HEARTGARD® Plus (ivermectin/pyrantel) is well tolerated. All dogs should be tested for heartworm infection before starting a preventive program. Following the use of HEARTGARD Plus, digestive and neurological side effects have rarely been reported. For more information, contact your veterinarian or click here for full prescribing information.

Our Advantage
Kills & Controls

HEARTGARD Plus not only affects larvae, preventing adult heartworms from developing, it also treats and controls hookworms and roundworms.

Real-Beef Flavor

Dogs like tasty things. So we made HEARTGARD Plus chewables with something they’re sure to love: real beef.2

Icon/Calendar Created with Sketch.
1 Chew Per Month

Just one HEARTGARD Plus chewable each month protects your dog all year against heartworm disease.

Heartworm disease
One bite is all it takes

When it comes to potentially deadly heartworm disease, there’s nowhere for your dog to hide: Reported in all 50 states, it only takes one bite from an infected mosquito to transmit.5 And that’s not the worst part.    

Learn More
Icon/Mosquito/White Created with Sketch.
Did you know?
Dogs of any age can get heartworm disease
A dog can be infected without showing any signs
Heartworms can cause permanent lung damage within 70 days of infection
Even indoor dogs can get heartworm disease
dog laying down on deck
5 signs your dog may have heartworms
Read Article
3 tips for preventing heartworm disease in your dog
Read Article
Where do heartworms come from?
Read Article
IMPORTANT SAFETY INFORMATION:

HEARTGARD® Plus (ivermectin/pyrantel) is well tolerated. All dogs should be tested for heartworm infection before starting a preventive program. Following the use of HEARTGARD Plus, digestive and neurological side effects have rarely been reported. For more information, contact your veterinarian or click here for full prescribing information.

Featured offer

Get $12 back

Enjoy a $12 rebate when you buy 12 doses of
HEARTGARD® Plus (ivermectin/pyrantel): Simply download the coupon and take it to your vet.*

*You’ll receive your money-back rebate in the mail

For puppies 6 weeks of age or older

For puppies 6 weeks of age or older

Get monthly reminders

Never forget to give your dog their monthly dose with a helpful reminder.

Sign Up now
Find a vet near you

The heartworm protection you need is only available with a vet’s prescription.

IMPORTANT SAFETY INFORMATION:

HEARTGARD® Plus (ivermectin/pyrantel) is well tolerated. All dogs should be tested for heartworm infection before starting a preventive program. Following the use of HEARTGARD Plus, digestive and neurological side effects have rarely been reported. For more information, contact your veterinarian or click here for full prescribing information.