Deworming

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Deworming (sometimes known as worming or drenching) is the giving of an anthelmintic drug (a wormer, dewormer, or drench) to an animal to rid it of intestinal parasites, such as roundworm and tapeworm. Purge dewormers for use in livestock are often formulated as a liquid that is squirted into the back of the animal's mouth, as an injectable, or as a pour-on which can be applied to the animal's topline. In horses, purge dewormers are most commonly formulated in an oral paste or gel form, but a liquid drench form is often used by veterinarians. Daily or continuous wormers are also commonly used in horses. In dogs and cats, purge dewormers come in many forms including a granular form to be added to food, pill form, chew tablets, and liquid suspensions.