The new medication, Heartgard Tablet (ivermectin), does not contain food ingredients that may trigger an allergic reaction, according to the manufacturer, Merial Ltd. of Duluth, Ga.
“Many dogs suffer from food allergies, and most oral heartworm preventives have meat components in their formulation,” says Michael Murray, a Merial technical marketing director.
Merial is offering Heartgard Tablet in addition to the longtime preventive Heartgard Plus (ivermectin/pyrantel), a beef-flavored chewable. Both formulations are administered monthly for the prevention of heartworm disease.
Heartgard Tablet is available in three dosages based on a dog’s weight: up to 25 pounds, 26 to 50 pounds and 51 to 100 pounds.
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