Drontal is recommended for the control of all gastrointestinal worms in dogs including roundworm, hookworm, whipworm and tapeworm. Drontal is a formulation of three distinctly different proven drugs offering the broadest spectrum of activity. The synergistic febantel/pyrantel combination is active against roundworms and hookworms and is highly effective against whipworms. Praziquantel provides a superb level of efficiency against all the major tapeworms. Key Benefits: Powerful: controls all gastrointestinal worms in a single treatment. Effective: offers gentle, effective control of all worms. Convenient: may be given safely to all dogs including old animals, young pups, working dogs and greyhounds. Economical: one treatment controls all gastrointestinal worms for up to 3 months. User friendly: one tablet treats 10 kilograms. Made specifically for worming your dog on a 3 monthly cycle.