Heartgard Chewables for Cats prevents heartworm disease and controls and removes hookworms. Heartgard Chewables, a formulation of ivermectin which interferes with the parasite's nerve transmission causing paralysis and death of the parasite. Heartgard for cats is administered orally once a month and should be chewed, not swallowed whole. The purple package of Heartgard for cats is formulated for cats 5 lbs and over.
Heartgard Chewables Heartworm Medication for Cats requires a prescription.
Cat Heartgard Chewables are a once-a-month chewable tablet available by prescription for the prevention of heartworm disease.