Piperazine For Cats. Dose the dog and cat individually or give in milk, water or food. For the removal of large roundworms, just mix into cat's food.

Ascarids or roundworms, and enterobius or the pinworm, can be treated in humans, dog and cats with an anthelmintic, a class of medication that treats. Piperazine is not effective against many types of gastrointestinal parasites and. Contains piperazine citrate in a strength of 275 mg./5 ml.