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Simparica Trio is a monthly pork-liver-flavored chew that combines three jobs in one dose: heartworm prevention, flea and tick control, and treatment of roundworms and hookworms. It is FDA-approved to kill six tick species, including the deer tick that can carry Lyme disease, and it kills fleas before they can lay eggs. In the studies behind its approval, one dose gave 100% protection against heartworm disease, and most dogs ate the chew on their own. Owners like the single monthly chew and the fact that it suits dogs that had stomach trouble on other preventatives; the main complaints are cost and the need for a prescription and a heartworm test before starting.
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Lowest price we've seen: $38.90 on Nov 15 at Tractor Supply Company. Tracked across 13 stores since Nov 15.
Owners largely praise Simparica Trio for keeping dogs free of fleas, ticks and worms with one monthly chew that dogs eat without a fight. Complaints center on cost and on fleas or ticks appearing anyway, which reviewers often link to inconsistent or split dosing.
Simparica Trio is a monthly chewable for dogs that protects against heartworms, ticks, fleas and intestinal worms in one dose. It is FDA-approved to kill six types of tick, including the deer tick that may carry Lyme disease. In the studies supporting FDA approval, one dose provided 100% protection against heartworm disease.
It kills fleas before they lay eggs, which prevents flea infestations. It treats and controls roundworms and hookworms, and it prevents tapeworms by killing fleas.
The chew is pork-liver flavored. In a study, 91.9% of dogs voluntarily consumed it. It is dosed by weight and is safe for puppies as young as 8 weeks that weigh at least 2.8 lbs.
