Drontal Plus Dog Worming Tablets contains 50mg Praziquantel , 144mgÂ Pyrantel Embonate and 150mg Febantel. Drontal Plus flavour tablets for dogs are effective in the control of tapeworms and roundworms in dogs and puppies. Drontal Plus dosage: One tablet per 10Kg bodyweight. The tablets can be given directly to the dog or disguised in food. No starvation is needed before or after treatment. For oral administration only. For dogs over 30Kg use Drontal Dog XL. Drontal Plus dog worming tablets are for routine worm control in adult dogs. Dogs should be treated every 3 months. In the event of heavy roundworm infestation a repeat dose should be given after 14 days.