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Tri-Heart® Plus (ivermectin/pyrantel) is a proven, cost-effective and easy-to-administer chewable tablet that helps keep your dog free of heartworm and also controls roundworms and hookworms. Tri-Heart Plus is a generic equivalent to Heartgard Plus, and requires a prescription from your veterinarian. It has the same active ingredients and is the same strength. Tri-Heart Plus is considered to be the #1 generic heartworm preventative recommended by veterinarians.
Dogs (6 weeks of age or older and no weight requirement)
Can cause sensitivities/allergies in herding dog breeds. Don't give your pet Tri-heart Plus if already giving a different heartworm medication. The safe use of this drug has not been evaluated in pregnant or lactating bitches.
Tri-Heart Plus (Merck)
Ivermectin/Pyrantel
Give the missed dose as soon as you remember. Do not give a double dose of the medication.
Side effects are rare, but may include lethargy, limpness, salivation, shaking, diarrhea, decreased appetite, licking lips, and belching. Higher doses in dogs may cause tremors, dilated pupils, loss of body weight, or death.
Should be stored at room temperature. Keep this medication away from children and pets.
Give Tri-Heart Plus as directed by your veterinarian. If your pet is off Tri-Heart Plus for 6 months or less, start the medication and test after 6 months since microfilaria, that take 6 months to mature, will result in a positive test result. Do not remove the tablet from its wrapper until ready to give to your pet.
Dogs/Puppies: (6 weeks of age and older) | |
Weight | Dosage |
Up to 25 lbs | Give 1 chewable every month (Blue Box) |
26-50 lbs | Give 1 chewable every month (Green Box) |
51-100 lbs | Give 1 chewable every month (Brown Box) |
Over 100 lbs | Give combination of chewables based on weight |
Cats: |
Do not use! |
Horses: |
Do not use! |
Ivermectin/Pyrantel - Blue Box (Dogs up to 25 lbs): | |
Active Ingredients (per chewable tablet) | Amount |
Ivermectin | 68 mcg |
Pyrantel | 57 mcg |
Ivermectin/Pyrantel - Green Box (Dogs 26-50 lbs): | |
Active Ingredients (per chewable tablet) | Amount |
Ivermectin | 136 mcg |
Pyrantel | 114 mcg |
Ivermectin/Pyrantel - Brown Box (Dogs 51-100 lbs): | |
Active Ingredients (per chewable tablet) | Amount |
Ivermectin | 272 mcg |
Pyrantel | 227 mcg |
$18.47
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Palatable
All three dogs consumed their dose without hiding it in a snack.