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Tri-Heart Plus Chewable Tablets Rx

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Product Overview

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Questions & Answers

Product Description

Tri-Heart chewable tablets are used in the prevention of canine heartworm disease caused by Dirofilaria immitis and for the treatment and control of ascarids (Toxocara canis, Toxascaris leonina) and hookworms (Ancylostoma caninum, Uncinaria stenocephala, Ancylostoma braziliense) in dogs and puppies six weeks of age or older. Tri-Heart Plus has the same active ingredients (Ivermectin/Pyrantel) as Heartgard Plus. See the Allivet Heartworm Comparison chart to find which heartworm prevention is best for your pet.

What is Tri-Heart Plus Chewable Tablets?

Tri-Heart is a chewable heartworm preventative. It is used to prevent canine heartworm disease caused by Dirofilaria immitis and to treat and control of ascarids (roundworms) and hookworms.

Who is Tri-Heart Plus Chewable Tablets for?

Tri-Heart Plus Chewable Tablets may be used for dogs and puppies 6 weeks of age or older.

Why use Tri-Heart Plus Chewable Tablets?

These chewable tablets protect your dog against canine heartworms while also treating and controlling roundworms and hookworms.

How does Tri-Heart Plus Chewable Tablets work?


Merck Animal Health

Active ingredient(s):


How is Tri-Heart Plus Chewable Tablets sold?

These chewable tablets are sold in 6 month or 12 month supplies depending on your dogs weight as follows : 1-25lbs, 26-50lbs, and 51-100lbs.

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

Tri-Heart has no known side effects.

What special precautions are there?

Keep chewable tablets away from children and animals.

What to do if overdose?

In case of overdose contact your nearest emergency pet 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 tablets in a cool, dry place

Helpful Tips:

Pharmacists are standing by to offer Pet Parent counseling regarding prescription medication purchased from Allivet before and after dispensing. Pharmacists on duty are available Monday-Friday, 9:30AM - 5:30PM EST and will be on call Saturday 12:00PM - 4:00PM EST for consultation.

Tri-Heart Plus Dosage by Weight

Dog’s Weight / Chewable Tablets / Ivermectin Content / Pyrantel Content / Color Coding of Product
Up to 25 lbs               1                             68 mcg                      57 mg                       Blue
26 to 50 lbs                1                           136 mcg                     114 mg                     Green
51 to 100 lbs              1                            272 mcg                    227 mg                    Brown

Tri-Heart Plus contains the active ingredients Ivermectin/ and Pyrantel. It is manufactured by Merck Animal Health.

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Tri-Heart Plus Chewable Tablets

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Questions With Most helpful Answers?

What is the country of origin?

1 Answer

how soon will these expire: Triheart Plus 1-25lb Dog

1 Answer

Is Tri-Heart Plus a chewable form like Heartgard or is it more a pill type?

1 Answer

Can Tri-Heart-Plus be used for dogs with a history of seizures

1 Answer

do you need a perscription

1 Answer
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