


Tri-Heart® Plus provides proven heartworm disease prevention for your pet with year-round savings for you.
LEARN MOREA mosquito carrying heartworm larva can infect your dog with worms that develop and reproduce inside him. Treatment for heartworm disease can be long and costly, and is no guarantee a dog will survive.
Once a dog is infected he is also at risk for spreading heartworms to other dogs by infecting new mosquitos. Tri-Heart® Plus keeps your dog safe and helps prevent the spread of infection.
A taste test of Tri-Heart® Plus Chewable Tablets vs. Heartgard® Plus Chewables showed that dogs have no preference.3
If for any reason you are not satisfied, speak to your veterinarian or call our toll-free guarantee center at 1-800-224-5318 for replacement or refund. In the unlikely case of infection arising while on Tri-Heart® Plus our new comprehensive guarantee sheet covers treatment drug costs and veterinary service fees.
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The same active ingredients for heartworm protection and internal parasite control as the leading competitor, but at a lower price.
Average discounted price of Tri-Heart® Plus compared to Heartgard® Plus. December 2016, 57-69 US Flea and Heartworm Markets, Brakke Consulting and Average price of Tri-Heart® Plus compared to Heartgard® Plus as per Price List, Merial® Brand Pet Products effective February 1st, 2017.
September 2000, ANADA 200-338, Palatability of Chewable Tablets. Heska Corporation Submission
All dogs should be tested for heartworm infection before starting a preventive program. In a small percentage of ivermectin/pyrantel treated dogs, digestive and neurological side effects may occur.
HEARTGARD is a registered trademark of Merial.