Fenbendazole 100 grams
25 milligrams per pound, dog and cat. It must be taken for 3 days in a row. **if animal has been found to have giardia it will be 5 days in a row. It's recommended that you repeat the 3 day dosing schedule in 22-28 days to ensure complete parasite removal. Sometimes, not often, an egg or larva survives. This makes sure 100% are killed and all life cycles are stopped. For more info., please go to "FAQ" page.