Description Zentel contains albendazole as the active ingredient. It is used to clear worms or parasites from the gut and other tissues. ZENTEL is used to clear worms or parasites from the gut and other tissues. ZENTEL is effective against threadworm or pinworm, roundworm, whipworm, tapeworm and hookworm among others. ZENTEL is thought to kill these worms by causing them to starve. The eggs, larvae and adult worms are affected.
