Heartworm Medicine for Dogs

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HeartGard Plus Dog Medium 12-22kg Green
As low as $57.73
2 options available
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HeartGard Plus Dog Medium 26 - 50lbs Green
Neovet Dog Extra Large Over 55 lbs Blue
As low as $40.47
3 options available
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Neovet Dog Extra Large Over 55 lbs Blue
Neovet Cat Over 8.8 lbs Purple
As low as $26.69
3 options available
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Neovet Cat Over 8.8 lbs Purple
Neovet Puppies & Small Dog Up to 8.8 lbs Green
As low as $28.30
3 options available
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Neovet Puppies & Small Dog Up to 8.8 lbs Green
Neovet Dog Large 22 - 55 lbs Red
As low as $34.79
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Neovet Dog Large 22 - 55 lbs Red
HeartGard Plus Dog Large 51-100lbs Brown
As low as $66.77
2 options available
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HeartGard Plus Dog Large 51 - 100lbs Brown
HeartGard Plus Dog Small Up To 11kg Blue
As low as $49.62
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HeartGard Plus Dog Small Up To 25lbs Blue
Valuheart Heartworm Tablets Small Dogs up to 22lbsBlue
As low as $15.57
1 option available
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Valuheart Heartworm Tablets Small Dogs up to 22lbs Blue
Valuheart Heartworm Tablets Dog Medium 24-44lbs Green
As low as $16.96
2 options available
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Valuheart Heartworm Tablets Dog Medium 24-44lbs Green
Valuheart Heartworm Tablets Dog Large 46-88lbs Gold
As low as $18.92
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Valuheart Heartworm Tablets Dog Large 46-88lbs Gold
Nuheart Heartworm Tablet Dog Medium 11-23kg Green
As low as $20.22
2 options available
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Nuheart Heartworm Tablet Dog Medium 26 - 50lbs Green
Nuheart Heartworm Tablet Dog Large 51 - 100lbs Red
As low as $22.47
2 options available
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Nuheart Heartworm Tablet Dog Large 51 - 100lbs Red
Simparica Trio Dog Puppies 1.25 - 2.5kg Yellow 3 Chews
$47.82
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Simparica Trio Dog Puppies 2.8 - 5.5lbs Yellow 3 Pack
Simparica Trio Dog Extra Small 2.6 - 5kg Purple 3 Chews
$48.41
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Simparica Trio Dog Extra Small 5.6 - 11lbs Purple 3 Pack
Simparica Trio Chews for Dogs 5.1-10kg Orange Small
As low as $63.86
3 options available
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Simparica Trio Dog Small 11.1 - 22lbs Orange
Simparica Trio Dog Medium 10.1 - 20kg Blue
As low as $66.97
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Simparica Trio Dog Medium 22.1 - 44lbs Blue
Simparica Trio Dog Large 20.1 - 40kg Green
As low as $70.39
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Simparica Trio Dog Large 44.3 - 88lbs Green
Simparica Trio Dog Extra Large 40.1 - 60kg Red
As low as $73.80
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Simparica Trio Dog Extra Large 88.1 - 132lbs Red
NexGard Spectra Dog Very Small 4.4 - 7.7lbs Orange
As low as $23.59
4 options available
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NexGard Spectra Dog Very Small 4.4 - 7.7lbs Orange
NexGard Spectra Dog Small 7.8 - 16.5lbs Yellow
As low as $25.27
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NexGard Spectra Dog Small 7.8 - 16.5lbs Yellow
NexGard Spectra Dog Medium 16.6 - 33lbs Green
As low as $28.17
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NexGard Spectra Dog Medium 16.6 - 33lbs Green
NexGard Spectra Dog Large 33.1 - 66.1lbs Purple
As low as $29.87
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NexGard Spectra Dog Large 33.1 - 66.1lbs Purple
NexGard Spectra Dog Extra Large 66.2 - 132.2lbs Red
As low as $31.25
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NexGard Spectra Dog Extra Large 66.2 - 132.2lbs Red
Interceptor Spectrum Dog Very Small Up To 4kg Orange
As low as $32.39
2 options available
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Interceptor Spectrum Dog Very Small Up To 8.8lbs Orange

Heartworm Prevention Medicine for Dogs

Are you looking for the best heartworm prevention medicine for dogs? If you want to prevent costly trips to the vet we have the top brand medications to choose from. Keep your dog safe by buying from a range of tablet, topical, or chew treatments right now without a prescription.

Dog Heartworm Prevention: What Every Pet Owner Should Know

Understand the importance of heartworm prevention in dogs and explore VetShopMax's range of products to keep your furry friend protected.

Signs and Symptoms of Heartworms in Dogs

Heartworm disease is a silent threat in dogs, with symptoms like coughing, lethargy, rapid breathing, weight loss, swollen belly, exercise intolerance, nosebleeds, collapsing, protruding ribs, and pale gums.

Prevention: The First Line of Defense

Use monthly preventatives, conduct regular testing, and control mosquitoes to prevent heartworms in dogs.

Spotlight on Heartworm Prevention: VetShopMax's Premium Selection

  • Heartgard Plus: A monthly chewable tablet for dogs that prevents heartworms and treats hookworms and roundworms.
  • Nexgard Spectra: A beef-flavored chew offering broad-spectrum protection against various parasites.
  • Simparica Trio: Provides triple protection against heartworms, ticks, fleas, and intestinal worms.
  • Moxiclear: A topical solution for protection against heartworms, fleas, and ticks.
  • Credelio Plus: A chewable tablet for broad-spectrum protection against internal and external parasites.

What Is The Best Heartworm Prevention Medicine For dogs?

One of the most popular and best heartworm prevention medicines is Heartgard Plus. Its active ingredient is called  Ivermectin Pyrantel emboate. Depending on the size of your dog the product dose will vary.  Other popular brands include ValueHeart, NuHeart, and Simparica.

Do Dogs Need Heartworm Medicine?

Heartworms are more common than you think even during the winter when there aren't many mosquitoes. For that reason, most vets recommend dogs go on heartworm preventative medication year-round to keep them protected and healthy. 

Can I Get Heartworm Medicine Without a Vet?

Always consult with your vet first but you can buy heartworm prevention medication from VetShopMax without a prescription. We source our medications from Australia so we don't require an RX script and we have access to the best prices.

Why Choose VetShopMax? The Trusted Choice for Every Pet Owner

VetShopMax offers vet-owned expertise, no prescription requirements, affordability, a user-friendly experience, and trust and transparency in pet medications.

Frequently Asked Questions About Heartworm Prevention in Dogs

  1. What is heartworm disease? A potentially fatal condition caused by the parasite Dirofilaria immitis, transmitted by mosquitoes.
  2. How often should I give my dog heartworm prevention medication? Most heartworm preventatives are administered monthly. Follow your vet's recommendation and manufacturer's instructions.
  3. Is it necessary to test my dog for heartworms if they are on prevention? Yes, annual testing is recommended even if your dog is on prevention.
  4. Can puppies be started on heartworm prevention? Yes, puppies can be started on preventatives as early as 6-8 weeks, depending on the product.
  5. Do I need a prescription for heartworm prevention medications? In many places, they are prescription products, but VetShopMax offers vet-approved products without a prescription.
  6. Is heartworm prevention necessary year-round? Yes, year-round prevention is recommended, even in colder climates.