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Heartgard Plus for Dogs

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(145 Reviews)
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Heartgard Plus Chewables Small Dogs up to 25lbs (Blue)

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Heartgard Plus Generic Nuheart Small Dogs upto 25lbs (Blue)

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Heartgard Plus Chewables for Medium Dogs 26-50lbs (Green)

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Heartgard Plus Generic Nuheart Medium Dogs 26-50lbs (Green)

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Heartgard Plus Chewables for Large Dog 51-100lbs (Brown)

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Heartgard Plus Generic Nuheart for Large Dogs 51-100lbs (Red)

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Heartgard Plus for Dogs

HeartGard Plus Heartworm Chewables for Dogs

HeartGard Plus is a heartworm preventive treatment which also controls and treats various other worm infections. It is effective against immature stages of heartworm that is transmitted through a mosquito. It also treats hookworms and roundworms. It comes in a real beef flavor which makes it highly palatable in taste for the dogs. This monthly treatment is one of the most recommended heartworm preventative treatments and it is safe and suitable for dogs & puppies 6 weeks of age and older as well as breeding and pregnant dogs.

Ivermectin and Pyrantel Pamoate are the two active ingredients present in heartworm HeartGard Plus. Ivermectin is a broad spectrum antiparasitic agent that aids in preventing heartworm infection. While Pyrantel Pamoate works in eliminating roundworms and hookworms.

Product Form: Flavored Chewable Tablet

Key Takeaways:

Protects your puppies and dogs against heartworm disease

#1 Vet-recommended heartworm disease preventative

Pairs perfectly with any proven flea and tick treatment

Also effective for the treatment and control of roundworms and hookworms

Formulated in a delicious real beef-flavored chew loved by most dogs

Nuheart Heartworm Tablets

Nuheart is a generic version of Heartgard. The tablet contains the same ingredient of Heartgard – Ivermectin. The active ingredient destroys heartworm larvae and controls heartworm disease. Nuheart is as highly effective as heartgard with no side effects on dogs. The oral treatment controls and prevents heartworm infection for one full month. The meat flavored tablet is readily accepted and hence, easy to administer. Find more info click here – Nuheart

Key Benefits
  • A single chewable that works for a full month
  • Dogs are protected from roundworms and hookworms
  • Extremely easy to administer since it comes in a chewable form
  • Highly palatable in taste due to its real beef flavor
  • Protects your dog from potentially dangerous heartworm disease
  • Suitable to be given to pregnant or breeding female dogs
How To Use
  • Before commencing the treatment, test your dog with prevailing heartworm infection
  • Weigh the dog and then opt for the pack size according to the weight
  • This oral tablet needs to be administered directly into the mouth of the dog
  • If the dog resists taking the tablet orally, then dissolve it in water and mix it in the dog food and ensure the entire food is consumed
  • For continuous protection, administer the treatment on a monthly basis throughout the year for comprehensive protection against heartworms

Follow the Dosage Chart given below for Appropriate Pack Size:
Pack Color Dog Weight Dog Size Strength Product Page
Blue Up to 22 lbs Small Dogs 68 mcg of Ivermectin and 57 mg of Pyrantel Click Here
Green 6 to 50 lbs Medium Dogs 136 mcg of Ivermectin and 114 mg of Pyrantel Click Here
Brown 51 to 100 lbs Large Dogs 272 mcg of Ivermectin and 227 mg of Pyrantel Click Here

*HEARTGARD Plus is recommended for dogs 6 weeks of age and older. Dogs over 100 lbs use the appropriate combination of these chewables.

  • Test the puppies and dogs for heartworm infection prior to starting the treatment.
  • It is advisable that the pet should chew the tablet rather than swallowing it.
  • The monthly dose of the tablet should be continued throughout the year.
  • Skipping treatment in winter months is strictly not advisable as pets might catch up on infections during this time.
  • In case the dosage is missed for more than two months, you need to consult a veterinarian and take his advice for further treatment. 

Caution: Collies including Border Collies and other breeds have genetic intolerance to Ivermectin. Those pet parents with Collies and other susceptible breeds should consult a veterinarian before administering any treatment containing Ivermectin.

Read More: Can you give NexGard and Heartgard together ?

More Information

Q. What is HeartGard Plus for Dogs?

HeartGard Plus is a monthly beef flavored chewable tablet that is highly palatable in taste. It has specially been developed for fussy eaters. It protects dogs from heartworm infections coupled with treating & controlling roundworms & hookworms. It needs to be given on a monthly basis. This treatment is recommended for dogs at least 6 weeks of age. This treatment can be used as a combination of heartworm preventive & intestinal wormer. It is suitable for pregnant or female dogs.

Protect your dog from heartworm disease, which can be fatal. Mosquito bites are unavoidable. However, with this proven heartworm prevention, you can kill the heartworm larvae that those pesky bloodsuckers spread to your dog, preventing heartworm sickness.


Nuheart is a monthly heartworm preventive. It is an alternative of heartgard & works similar to heartgard. Nuheart protects dogs against heartworms & it can be used on dogs & puppies. The meat flavored tablet is suitable for all sizes & breeds of dogs. It is recommended to use for adult dogs & puppies older than 6 weeks of age. Find more info here - Nuheart.

    Target Species: Dogs
    Life Stages: Puppy, Adult, Senior
    Product Type: Intestinal worms & Heartworm prevention
    Product Form: Chewable Tablet
    Pack Quantity: Pack of 1, 2 & 3 Chewable Tablets

Q. How does Heartgard Plus for dogs work?

Heartgard Plus dog chews contains two active ingredients Ivermectin & Pyrantel. These active chemicals control the way nerve impulses flow through the neurological system of the worm. This causes the parasite to become paralyzed & eventually die.

Q. What is Heartgard Plus used for?

HeartGard Plus chewable is a small real beef-flavored chewable tablet for the treatment & prevention of heartworm, roundworms & hookworms.

Q. When can I start using Heartgard Plus for my dog?

Heartgard Plus heartworm for dogs can be used in puppies from 6 weeks of age & older.

Q. What happens if I forgot/missed a heartworm preventative dose for my dog?

If it's been less than two weeks since your dog's last dose, give your dog the dose immediately. If the missed dose has been more than two weeks, contact your veterinarian, who will likely recommend that you begin regular dosing next month & have your dog tested for heartworms in six months.

Q. Do dogs need Heartgard Plus protection all year, even in the winter?

Heartworm disease can affect any dog, indoors or out, at any time of year. Even though there are fewer mosquitoes in the winter, an animal might still get heartworms if the owner fails to administer preventative during this time. That's why veterinarians frequently advise that pets should be treated for heartworms all year long.

Q. Is Heartgard Plus safe for puppies?

If used as directed, HeartGard Plus chewable for dogs is completely safe & effective for puppies from 6 weeks of age.

Q. Does my dog really need heartworm prevention?

Yes! Even if your pet is only indoors, he or she should be on a heartworm preventive program. Due to the increased number of cases, it is highly recommended for both cat & dogs to be on year-round heartworm prevention program.

Q. How often should I give my dog Heartgard Plus?

Dog heartworm chewable Heartgard Plus should be taken at monthly intervals. The first dose must be given within a month (30 days) of the dog's initial mosquito bite, & monthly doses must be given thereafter.

Q. Is it safe to use Heartgard Plus in breeding, pregnant or lactating dogs?

Yes. When used as directed, Heartgard Plus has a wide safety margin in all breeds of dogs, including breeding, lactating or pregnant dogs & puppies 6 weeks or older.

Q. Can I switch to Heartgard Plus from another heartworm preventative?

Yes, This is a simple procedure; you have to just simply continue to take Heartgard Plus on a monthly basis.

Q. Is there anything I should know before taking Heartgard Plus?

Heartgard Plus heartworm prevention should be used with caution when treating active or working dogs with a known heartworm infection since Ivermectin, the active ingredient in Heartgard Plus, may have some impact against adult heartworms. Before starting any heartworm prevention treatment, dogs should be screened for heartworm infection by a veterinarian.




Heartgard Plus

Ivermectin, Pyrantel

Merial / Boehringer Ingelheim
Product Features
  • #1 choice of the vets
  • Prevents heartworm disease
  • Treats preexisting hookworm and roundworm infections
  • Delicious beef flavor makes them easy to administer
  • No known side effects
Customer Review Write a Review

Average Rating







Harvey Verified Customer
Heartgard Jun 22, 2022

Quality product at a decent price

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Harold Verified Customer
Product Jun 20, 2022

Good product

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paula Verified Customer
heartguard Jun 19, 2022


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Angela Verified Customer
Heartworm Jun 19, 2022

The product is great and reasonably priced. But, it takes several weeks to receive once ordered. Prices are amazing.

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Patricia Verified Customer
Ordering Heartgard Jun 17, 2022

your site makes it easy and quick to order Heartgard for my 2 dogs. The product is always shipped quickly

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Have A Question?
Can you break nuheart in half
It is not recommended to split the tablet in half.
Jun 27, 2022 | Was this helpful? Yes (2) | No (3)
Can you give heartworm and tick meds at the same time without any side effects?
Consult your veterinarian.
Jun 15, 2022 | Was this helpful? Yes (3) | No (4)
is there a place to enter the vets name and number
No, you can proceed with ordereing without entering your vet's name or number.
May 11, 2022 | Was this helpful? Yes (3) | No (2)
Can I cancel my subscription at any time?
Apr 23, 2022 | Was this helpful? Yes (0) | No (0)
Does this require a prescription if your pet has always taken it
We Don't Need A Prescription.
Mar 11, 2022 | Was this helpful? Yes (14) | No (5)
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