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Tri-Heart Plus Chewable Tablets for Dogs

Strength: Less than 25 lbs (Blue)
Count: 6 ct
Sale price$29.12

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Tri-Heart Plus Chewable Tablets prevent canine heartworm disease resulting from Dirofilaria immitis. They also control and treat hookworms (Ancylostoma braziliense, Uncinaria stenocephala, and Ancylostoma caninum) and roundworms/ascarids (Toxascaris leonina and Toxocara canis). This medication and Heartgard Plus contain the same active ingredients (Pyrantel and Ivermectin).

Who is Tri-Heart Plus Chewable Tablets for?
For use in puppies (ages 6 weeks and up) and dogs.

Why use Tri-Heart Plus Chewable Tablets?
Tri-Heart Plus Chewable Tablets contain Pyrantel and Ivermectin to prevent heartworms, along with other harmful parasites. These tablets are proven, easily-administered, and cost-effective.

How does Tri-Heart Plus Chewable Tablets work?
These chewable Pyrantel and Ivermectin tablets prevent your dog from getting heartworm disease. They eliminate heartworm larvae (Dirofilaria immitis) in the tissue stage for a full month following infection. They also control and treat roundworms (ascarids - Toxascaris leonina and Toxocara canis) and hookworms (Ancylostoma braziliense, Uncinaria stenocephala, and Ancylostoma caninum).


Merck Animal Health

Active ingredient(s): Ivermectin/Pyrantel

How is Tri-Heart Plus Chewable Tablets sold?

Sold in 6 or 12 month supplies based on your dog's weight. Boxes are color coded as follows:

  • Blue: 1-25 lbs
  • Green: 26-50 lbs
  • Brown: 51-100 lbs

What are the side effects of Tri-Heart Plus Chewable Tablets?

The most frequently reported adverse reactions include:

  • Hypersalivation
  • Convulsions
  • Staggering
  • Ataxia
  • Mydriasis
  • Diarrhea
  • Anorexia
  • Vomiting
  • Lethargy
  • Depression

In a low percentage of treated dogs, neurological or digestive effects could occur.

What special precautions are there?

  • Keep away from children.
  • If accidental human ingestion occurs, seek emergency medical attention.
  • Your dog should be tested for existing heartworms prior to Tri-Heart treatment. This medication is not effective against adult heartworms. Infected dogs should be treated to remove adult heartworms and their microfilariae prior to treatment with Tri-Heart.

What to do if overdose?
Contact your closest emergency animal hospital.
You may also contact Merck Animal Health Pharmacovigilance: Companion Animal Technical Services, 800-224-5318.

How can I store Tri-Heart Plus Chewable Tablets?
Store in a dry and cool environment.


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