Tri-Heart Plus

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This prescription medication requires a current annual visit to a Penny Paws clinic. We also require a current annual heartworm test for canine medication containing heartworm preventive.


What is Tri-Heart® Plus?

It is proven protection for dogs.
Dogs of any age, even older dogs, can become infected with heartworms, roundworms or hookworms - but it's easy to protect your dog!

Tri-Heart® Plus flavored chewable tablets contain ivermectin/pyrantel - a proven combination to protect your dog and ensure your complete peace of mind.

Tri-Heart® Plus is an affordable prescription and all it takes to prevent parasitic infestations that can literally rob your pets' vitality and shorten their lifespans.

Tri-Heart® Plus is available in 3 dosage strengths with easy to recognize color-coded packages:

Tri-Heart® Plus Packages


INDICATIONS: Tri-Heart chewable tablets are indicated for use in prevention of canine heartworm 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 in puppies six weeks of age.

PRECAUTIONS: All dogs should be tested for existing heartworm infection before starting treatment with Tri-Heart chewable tablets. A mild hypersensitivity-type reaction, presumably due to dead or dying microfilariae and particularly involving a transient diarrhea has been observed in clinical trials with ivermectin alone after treatment of some dogs that have circulating microfilariae.

Keep this and all drugs out of the reach of children. In case of ingestion by humans, clients should be advised to contact a physician immediately. Physicians may contact a Poison Control Center for advice concerning cases of ingestion by humans.

ADVERSE REACTIONS: The following adverse reactions have been reported following the use of ivermectin at the recommended dose: depression/lethargy, vomiting, anorexia, diarrhea, mydriasis, ataxia, staggering, convulsions and hypersalivation.


You can even register to receive free email reminders when it’s time to give your dog TriHeart Plus!

Click here to access the Tri-Heart Plus rewards program.

Click here to save up to $12.50 per dose from the manufacturer.

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