(Virbac) Iverhart Plus Flavored Chewables for Dogs are used to prevent canine heartworm disease and for treatment and control of roundworms and hookworms. Iverhart Plus contains ivermectin and pyrantel. When given monthly as directed, it is effective in helping to prevent heartworm disease. Iverhart Plus kills immature heartworms that have been introduced to the dogs within the last 30 days. Iverhart Plus is also effective against canine roundworms and hookworms. Approved for puppies as young as 6 weeks, pregnant or breeding female dogs and stud dogs. Ivermectin and pyrantel.
Each Blue contains 68 mcg ivermectin and 57 mg pyrantel.
Each Green contains 136 mcg ivermectin and 114 mg pyrantel.
Each Brown contains 272 mcg ivermectin and 227 mg pyrantel.