Ivermectin is a widely used antiparasitic medication for dogs. This medication is part of a class of drugs known as macrocyclic lactones. It works by impairing the nervous system of many parasites, ...

Heartgard is a medication that is used to prevent heartworm disease in dogs. Heartgard contains ivermectin and only prevents heartworm disease. Heartgard Plus contains both ivermectin and pyrantel, ...