Avizine

Piperazine belongs to class of drugs called anthelmintic. It works by paralyzing the worms and making them to pass in the stool. It is effective against the intestinal nematodes roundworm (Ascaris lumbricoides), pinworm and threadworm (Enterobius vermicularis). Piperazine produces a neuromuscular block leads to muscle paralysis of the worms which are consequently dislodged and expelled in the faeces.