Tri-Heart Plus provides proven protection against heartworms, roundworms and hookworms.
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Heartworm and Other Parasites
About Tri-Heart® Plus
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Heartworm and Other Parasites
What are Heartworms?
Heartworm Prevention
Heartworm Symptoms
Heartworm Treatment
Other Parasites
Ask your Veterinarian
Heartworm Symptoms
Canine heartworm disease symptoms include:
  • Difficulty breathing
  • Coughing
  • Fatigue, a dog that tires easily
  • Listlessness
  • Weight loss
  • Rough hair coat
Your veterinarian can perform a simple blood test that can verify the presence of heartworms.


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