Tri-Heart Plus for dogs is a powerful treatment for immature heartworm in dogs. The immature stage of heartworm is transmitted by the bite of a mosquito. It is also effective against roundworms, hookworms, and Toxocara canis. It works by killing the larvae of these parasites and prevents them from developing into adult heartworms.

Tri-Heart Plus side effects

Tri-Heart Plus is an oral medication for dogs used to prevent heartworm disease. The drug is effective against both hookworms and roundworms and prevents the larvae from developing into adult D. immitis. It is a broad-spectrum anti-parasitic agent that paralyzes worms and kills them. Tri-Heart Plus contains the same active ingredients found in Heartgard Plus, including ivermectin and pyrantel. However, this medication can have some side effects in dogs, so a pet owner should use caution.

Tri-Heart Plus tablets are designed to be administered to small dogs once a month. The smallest tablet is labeled for dogs weighing 25 pounds or less. It is scored so that small dogs can easily take smaller pieces of the tablet. The tablet should be administered in one sitting.

Tri-Heart Plus has two ingredients, ivermectin and pyrantel pamoate, which interfere with the transmission of parasite nerves, causing intestinal worms to die. The drug is a registered trademark of Intervet Inc., a subsidiary of Merck & Co. Inc. In the United States, Tri-Heart Plus is available as cewable tablets for dogs six weeks and older.

It is important to note that heartworm prevention medications must be administered monthly, as the drug may not be effective if given less often. The medication should be given exactly as prescribed, and improper administration can void any manufacturer guarantees. If administered incorrectly, it can lead to side effects like dizziness, vomiting, diarrhea, and lethargy. Moreover, higher doses may result in seizures and death.


Ivermectin in Tri-Heart Plus for dogs is a powerful anti-worm drug that kills immature heartworm, a common disease transmitted by a mosquito. It is also effective against ascarids, hookworms, and roundworms.

This medication contains two active ingredients: ivermectin and pyrantel pamoate. They both interfere with the transmission of nerves in parasites, paralyzing them and killing them. Ivermectin in Tri-Heart Plus is an approved prescription drug by the FDA. It can be administered to dogs from 6 weeks of age and larger.

One dose of Tri-Heart Plus should be administered to your dog once a month. Smaller dogs should take a smaller tablet. The smallest tablet is labelled for dogs weighing 25 pounds or less. The tablets are scored so that small dogs can easily swallow them.

The drug is effective for most dogs. However, certain breeds of dogs are particularly sensitive to ivermectin. This sensitivity is caused by a specific genetic mutation in their blood called the MDR1 gene. Despite this risk, most dogs can tolerate ivermectin at its recommended dose. If your dog is concerned about its sensitivity, talk to your veterinarian.

Although Tri-Heart Plus for dogs is a popular internal parasite preventative, the drug has been known to cause serious adverse reactions in some pets. In some cases, your pet may exhibit symptoms of an allergic reaction, including vomiting, lethargy, and depression. If you see any of these symptoms, call your veterinarian immediately.

Before beginning prevention therapy, your veterinarian will conduct heartworm tests on your pet. This test will let you know if ivermectin is effective or not. Ideally, your pet should have been off Tri-Heart(r) Plus for at least six months before you begin medication. If your dog shows a positive test after this period, the microfilaria have matured.


Pyrantel Tri-Heart Plus for dogs is a veterinary medicine that is used for the treatment of immature heartworm in dogs. Heartworm is a parasite that is transmitted from one animal to another through the bite of a mosquito. The drug also kills hookworms, roundworms, and ascarids.

Tri-Heart Plus is an oral medication that can be given to dogs every 30 days. It works by eliminating the tissue stage of heartworm larvae. It is recommended for dogs six weeks of age and over 100 pounds. This anthelmintic can be given once or twice per month to dogs, depending on their weight and age.

The medication has two main active ingredients: Pyrantel and Ivermectin. Pyrantel is an anti-worm, while Ivermectin is a broad-spectrum anti-parasitic agent. Pyrantel is an anti-parasitic that kills worms by paralyzing them. The drug is inexpensive, easy to administer, and effective.

Tri-Heart Plus for dogs is available in three strengths for different sizes of dogs. It is also available in chewable tablets, and is available in convenient six-tablet packs. To store, Tri-Heart Plus should be stored at room temperature, and it should be kept out of the reach of children.

The drug is safe and effective in treating various worm infections in dogs. It contains two active ingredients, Pyrantel pamoate and ivermectin, which interfere with the nerve transmission of parasites. The combination of these ingredients paralyzes intestinal worms.


The pyrantel pamoate ingredient in Tri-Heart Plus for dogs is an anthelmintic (dewormer) used to kill roundworms and hookworms. This product is intended to be given monthly to prevent the development of heartworm disease in dogs. It kills roundworms and hookworms at the larval stage and prevents infection in dogs. One chewable should be given to dogs weighing up to 25 pounds and two chewables to dogs between 51 and 100 pounds. In older dogs and puppies, the dose may be increased based on weight.

To protect your dog from heartworm infection, you must first understand how to recognize the signs of the disease. Your vet will be able to prescribe a heartworm treatment for your dog. The pills, however, are best purchased through your veterinarian, as only they can check the quality and authenticity of medicines.

Before starting the medication, your veterinarian should perform a heartworm test. This test will determine if your pet is infected and whether the treatment is effective. If you find a positive result, the veterinarian may prescribe another course of shots or suggest a different treatment. It is important to keep your pet as calm and quiet as possible during the heartworm treatment because chunks of the worm can block the flow of blood.

The flavored tablets in Tri-Heart Plus for dogs are FDA-approved and are safe to use. Be sure to check your dog’s heartworm infection before administering the medication. The tablets come in a blister package, which keeps them out of light and air. Make sure the foil is still attached when administering the tablet.

Sensitivity to herding dog breeds

Before you administer Tri heart plus for dogs to your dog, you must check your dog’s genetic makeup for this mutation. This test is relatively simple and involves a small brush swiped in the dog’s mouth and sent to the testing lab at Washington State University. The test can help you decide whether to use the drug or not. The risks of exposing a herding dog to this drug are very high, and exposure to the drug could prove fatal.

Some herding dog breeds are more susceptible to the effects of certain drugs. A genetic mutation called the MDR1 gene has been associated with increased sensitivity to these drugs. Penny Paws veterinarians can help you determine whether your dog is at risk.

Another genetic mutation that can make your dog sensitive to Tri heart plus for dogs is known as ABCB1. This mutation prevents the production of a protein called P-glycoprotein (P-glycoprotein). P-glycoprotein helps prevent certain medications from crossing into the brain. When a dog is missing this protein, drugs that are used for heartworm prevention become toxic to the animal.

Tri heart plus for dogs is an oral supplement used to prevent and treat various worm infections in dogs. The medication contains two active ingredients, ivermectin and pyrantel pamoate, which interfere with parasite nerve transmission. These ingredients also paralyze intestinal worms. It is suitable for dogs from six weeks of age. However, you must give your dog the appropriate amount of tablets for its size.