Anthelmintics are chemicals that have been developed to eliminate parasites. Antiparasitics are separated into six major classes; the more common classes are vermectins/milbimycins, benzimidazoles, and pyrimides. These anthelmintics are available in different physical forms (e.g., paste, feed additives, gel, drench) and are sold under several trade names. Antiparasitics are effective by all routes given, provided an appropriate dose is administered based on the horse’s weight and the entire dose gets into the horse.
See Management and Control of Internal Parasites in Horses for more information.
