Heartgard Plus for Dogs

Heartgard Plus is a monthly chewable tablet for dogs that provides protection against heartworms, roundworms, and hookworms. Its tasty formulation makes administration easy, while its effectiveness ensures your dog stays safe from these harmful parasites with each dose.

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Heartgard Plus is a highly recommended preventive measure against heartworm disease, one of the most serious conditions affecting dogs worldwide. This article provides an in-depth look at Heartgard Plus Chewables, offering everything you need to know to protect your furry friend from heartworms, as well as hookworms and roundworms.

What is Heartgard Plus?

Heartgard Plus is a monthly chewable treatment for dogs that prevents heartworm disease. It also treats and controls roundworms and hookworms. Each chew contains two active ingredients, Ivermectin and Pyrantel, that work together to provide comprehensive protection for your dog.

Why Choose Heartgard Plus?

Let’s consider these reasons: 

    • Vet Recommended: Heartgard Plus is the #1 choice among veterinarians for heartworm disease prevention due to its proven effectiveness and safety profile.
    • Broad Spectrum Protection: Apart from preventing heartworm disease, it also treats and controls hookworms and roundworms, offering a broad spectrum of protection for your dog.
    • Palatable Taste: Dogs love the beef-flavored chewables, making it easy to administer without the hassle.
    • Continuous Protection Every Month: Administering HEARTGARD Plus every 30 days ensures your dog remains safeguarded against heartworms throughout the year.
    • Defense Against Hookworms and Roundworms: Effectively treats and manages three varieties of hookworms and two types of roundworms, ensuring your dog’s internal health.
    • Puppy Safety Assured: HEARTGARD Plus is secure for use in puppies starting from 6 weeks of age, without any requirement for a minimum weight, making it ideal for young dogs of any size.
    • Suitable for Every Dog: Available in three distinct sizes to cater to all dogs: Up to 25 lbs, 26-50 lbs, and 51-100 lbs, ensuring a perfect fit for your pet’s preventive care needs.

Benefits of Heartgard Plus for Dogs

    1. Heartworm Prevention: The primary benefit of Heartgard Plus is that it prevents heartworm disease in dogs. Heartworms are parasites that live in the heart and blood vessels of infected animals, and if left untreated, can be fatal.
    2. Intestinal Parasite Control: In addition to heartworm prevention, Heartgard Plus also controls and treats common intestinal parasites such as roundworms and hookworms.

Heartgard Plus Directions

Heartgard Plus Chewables are available in different strengths, depending on the weight of your dog. The medication should be given to your dog once a month, year-round, to ensure maximum protection against heartworm disease and intestinal parasites. Consult your veterinarian for the appropriate dosage and schedule for your dog. Heartgard Plus Chewables should be administered with a full meal to ensure adequate absorption and effectiveness.

Heartgard Plus Chewables for Dogs/Puppies: (6+ weeks of age)

UP TO 25 LBS Give 1 chewable every month (Blue Box)
26-50 LBS Give 1 chewable every month (Green Box)
51-100 LBS Give 1 chewable every month (Brown Box)
OVER 100 LBS Give combination of chewables based on weight


    • Storage: Store between 68°F – 77°F (20° – 25°C). Excursions between 59°F – 86°F (15° – 30°C) are permitted.
    • Protect products from light.
    •  All dogs should be tested for existing heartworm infection before starting treatment with Heartgard Plus.

Safety and Side Effects

Heartgard Plus is well-tolerated by most dogs. However, all dogs should be tested for heartworm infection before starting a preventive program. In rare cases, digestive and neurological side effects have been reported. Consult your veterinarian for more information on these aspects.

Comprehensive Health Protection for Your Dog

Protecting your dog from heartworms, hookworms, and roundworms is crucial for their health and well-being. By choosing Heartgard Plus Chewables, you are ensuring your dog receives the best preventive care available.

For more information on Heartgard Plus Chewables, including how to start your dog on a preventive program, contact your veterinarian today.


1. Does HEARTGARD Plus require a prescription?

Yes, HEARTGARD Plus requires a prescription from a veterinarian. This ensures your dog receives the correct dosage and that it’s safe for their individual health.

2. What is the difference between Heartgard and HEARTGARD Plus?

Heartgard prevents heartworm disease. HEARTGARD Plus does the same, but also treats and controls common intestinal worms like hookworms and roundworms.

3. Do dogs really need Heartgard every month?

Yes, in most areas, monthly heartworm prevention is essential. Heartworms are spread by mosquitos and can be fatal to dogs. Talk to your vet for specific recommendations for your dog’s location and lifestyle.

4. Why is Heartgard so expensive?

Heartgard is a brand-name medication, and prices are set by veterinarians. Reasons for cost include research and development, safety testing, and ensuring consistent quality. Generic alternatives may be available; always consult your veterinarian for the best option for your pet.