Its a pretty common medicine for dogs. The compound is Praziquantel as heather said.
Just call to a petshop and ask them if they have any drug that kill parasites using praziquantel.
This may help you: http://www.monsterfishkeepers.com/forums/showthread.php?549427-Treating-Internal-parasites
Just call to a petshop and ask them if they have any drug that kill parasites using praziquantel.
This may help you: http://www.monsterfishkeepers.com/forums/showthread.php?549427-Treating-Internal-parasites