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Heartworm

Heartgard Plus for Dogs

Brand: Boehringer Ingelheim

Heartgard Plus is a monthly beef-flavored chewable tablet prescribed to prevent heartworm disease and treat and control common intestinal parasites in dogs.

This product is intended for dogs.

OTCDogsRx Required

Overview

Heartgard Plus is a trusted veterinary pharmaceutical product developed by Boehringer Ingelheim designed to provide comprehensive protection against heartworm disease in canine patients. As a monthly preventative, it utilizes a combination of ivermectin and pyrantel to ensure that dogs remain free from the life-threatening complications associated with Dirofilaria immitis. While many owners compare it to alternatives like Interceptor Flavor Tabs, Heartgard Plus has maintained a reputation for palatability and efficacy over decades of clinical use. Owners often weigh it against generic versions like Iverhart Plus or Tri-Heart Plus when managing their pet's health. Prevention is essential, as the cost of treating an active infection is significantly higher and riskier than routine monthly administration. Other preventative options such as Sentinel Spectrum or injectable solutions like ProHeart 12 are also available, but the chewable format remains a standard for ease of compliance. Heartgard Plus works by eliminating tissue stages of heartworm larvae acquired within the preceding 30 days. Beyond heartworms, the medication is highly effective in treating roundworms and hookworms, which are common intestinal parasites that can cause gastrointestinal distress and zoonotic health risks. By effectively managing these parasites, the product helps ensure the overall well-being of the dog. It is important to note that while this medication handles worms, it does not provide coverage for external parasites like fleas or ticks. For broader coverage, some owners might consider Sentinel Flavor Tabs, which also regulates flea populations, or Iverhart MAX for additional internal parasite coverage. Regardless of the chosen product, maintaining a consistent monthly schedule is the single most critical factor in successful parasite control. Veterinarians recommend year-round prevention, even in colder climates, to guard against environmental shifts that allow for year-long mosquito activity.

What It's For

  • Heartworm Prevention: Kills heartworm larvae that have infected the dog within the last month.
  • Roundworm Control: Eliminates and controls common roundworm species to prevent digestive issues.
  • Hookworm Control: Eliminates and controls hookworms, reducing the risk of anemia and gastrointestinal disease in pets.

How To Use

Heartgard Plus should be administered orally once a month, preferably on the same date each month, to ensure consistent blood levels of the active ingredients. The soft, beef-flavored chew is designed to be palatable, allowing most dogs to consume it as a treat; however, it can also be hidden in a small portion of food if the dog is hesitant. Ensure that the dog consumes the entire dose, as breaking or crumbling the tablet may result in a loss of efficacy. If the dog vomits shortly after administration, contact your veterinarian to determine if a replacement dose is necessary. Because Heartgard Plus is a prescription medication, it must only be used under the guidance of a licensed veterinarian. A heartworm test is required prior to starting the medication to ensure the dog is not already harboring an adult infection. Follow-up testing is typically required annually to ensure the preventative remains effective.

Precautions

Heartgard Plus is indicated for use in dogs only and should not be used in other species. Before starting the medication, your veterinarian must perform a heartworm test. If a dog is already infected with adult heartworms, administering the medication can lead to severe adverse reactions as the dying larvae enter the bloodstream. Use with caution in collies and certain herding breeds that may carry the MDR1 gene mutation, which can make them more sensitive to ivermectin at high doses, although the concentration in Heartgard Plus is specifically formulated to be safe at the recommended dosage levels. Keep the product out of reach of children and other pets, as accidental ingestion of high quantities could lead to toxicity.

Key Benefits

  • Palatability: The real beef-flavored chew makes administration stress-free for both the owner and the dog.
  • Broad Coverage: Targets heartworms, roundworms, and hookworms in a single convenient monthly dose.
  • Proven Safety: Decades of clinical use and extensive testing confirm its safety profile for most dog breeds.
  • Convenience: Easy-to-remember monthly dosing schedules ensure consistent protection without the need for topical messy applications.

Where to Buy

Frequently Asked Questions

This information is educational only. Always consult a licensed veterinarian before using new products on your pet.

Related Products

Interceptor Plus

Interceptor Plus is a broad-spectrum, prescription-only monthly chewable tablet designed to protect dogs against heartworm disease and treat or control multiple common intestinal parasite infections.

Sentinel

Sentinel is a comprehensive oral monthly preventative for dogs that protects against heartworm disease, controls flea populations, and treats various intestinal parasite infections.

Interceptor Flavor Tabs

Interceptor Flavor Tabs are a highly palatable, once-monthly oral medication designed to prevent heartworm disease and treat or control various common intestinal parasite infections in dogs.

Sentinel Flavor Tabs

Sentinel Flavor Tabs are a once-monthly oral medication designed to prevent heartworm disease while simultaneously controlling flea populations and treating intestinal parasites in dogs.

Iverhart Plus

Iverhart Plus is a monthly beef-flavored chewable medication designed to prevent heartworm disease and treat or control various gastrointestinal worms in dogs.

Tri-Heart Plus

Tri-Heart Plus is a monthly prescription chewable tablet designed to prevent heartworm disease and treat common intestinal parasites in dogs.

Sentinel Spectrum

Sentinel Spectrum is a comprehensive monthly oral medication for dogs that protects against heartworm disease, controls intestinal parasites, and prevents flea infestations by breaking their life cycle.

Iverhart MAX

Iverhart MAX is a comprehensive, prescription-only oral chewable medication designed to prevent heartworm disease while simultaneously treating and controlling common intestinal parasites in dogs.

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