Another alternative mebendazole
https://www.thomaslabs.com/product/f...e/fish-wormers. Why this :
http://www.price-rx.com/parasites.shtml. Because it is truly an antihelminthic medication. Although a warning in using mebendazole with metronidazole . Here is some more background
http://www.metapathogen.com/fish-pat...helminths.html