The ivermectin in Iverhart Max for Dogs 12-25 lbs, 6 Month (Blue) is a broad-spectrum antiparasitic that kills heartworm larvae in the tissue stage. Iverhart pet meds prevent potentially deadly heartworm disease and control worms.

• Protects dogs against heartworm infestation
• Monthly heartworm preventative for dogs
• Eliminates tapeworms, hookworms, and roundworms
• Manufacturer information and usage

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