Dogs in the UK may be infected with around a dozen different types of intestinal worm. It is not always easy to spot the symptoms, & as your vet will tell you, that's why it's best to use Drontal at least every three months to prevent any serious worm infection. Drontal is the only wormer to kill every type of intestinal worm commonly found in UK dogs which is why vets prescribe it more often than all other wormers put together! Drontal Plus' unique combination of proven active ingredients enables it to tackle gastrointestinal tapeworms & roundworms including Ascarids (Toxocara canis, Toxascaris leonina), Hookworms: Uncinaria Stenocephala, Ancylostoma Caninum & Whipworms. Directions: For oral administration only. The tablets can be given directly to the dog or disguised in food. No starvation is needed before or after treatment. Dosage Guide: