This product is designed as a one off treatment, but may require a second dose after 7 days in heavy infestation.  Alternatively you can use Kusuri Flue P after 7 days.  Kususri Fluke M is not an invasive, toxic medication like Kusuri Malachite Green and Kusuri Formalin 30%.  The Flubendazole is absorbed by the flukes and dissolves their digestive tract that subsequently starves the parasite.  Fluke M may require a second dose after 7 days in heavy infestations.  Kusuri recommend a mucus scrape and microscope identification prior to a second application

For use with all cold water ornamental fish and can be used safely with all tropical freshwater fish.  Kusuri Fluke M has a four year shelf life from date of manufacture and should be used within three months of opening.  Fluke M can also be used for the eradication of pond snails and intestinal Helminths and Worms.  For eradication Lice, Anchor Worm and Argulus, use 3 does of Kusuri Fluke M 7 days apart.