Drontal Allwormer is a simple and convenient way to treat and control wide range of gastrointestinal worms in dogs. Easy to administer to dogs and puppies, Drontal treats roundworms, hookworms, whipworms, and tapeworms including hydatid tapeworms and the common flea tapeworms. It is an effective allwormer that controls Giardia (under veterinary advice) which causes diarrhoea in dogs and puppies frequently. Drontal allwormer protects the health of your dog and family.