An oral heartworm preventative in a chewable tablet form containing ivermectin and pyrantel. It is used to prevent heartworm disease and to treat and control ascarids (roundworms) and hookworms in dogs. All dogs over six-months of age should be tested for heartworm infection before using. Exact bioequivelent to Heartgard Plus by Merial.

Available in three sizes:0-25lbs, 25.1-50lbs, and 50.1-100lbs.