Each tablet provides: Praziquantel Oxantel Embonate Pyrantel Embonate. What Does It Do? Ranvet WORM FREE ALLWORMER treats Roundworm, Hookworm, Whipworm, Tapeworms and Hydatid Tapeworm. It does not control Heartworm. Ranvet WORM FREE ALLWORMER is suitable for pregnant bitches, which should be treated at mating, before whelping, and then every 3 months. How Do I Use It? For large dogs give one tablet per 25kg bodyweight. Treat adult dogs every 3 months for effective worm control. Effective Whipworm treatment will require dosage every 6-8 weeks after 3 months of age. Pups should be treated at 2, 4, 8, and 12 weeks and then every 3 months. Treatment for Hydatid Tapeworm prevention requires dosing every 6 weeks.