The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
If you have answers, please help by responding to the unanswered posts.
Treat with metronidazole soaked food if it's still eating. Or they sell it in a powder form on the site I listed below. Jungle Parasite Clear which contains metronidazole would work as well.
http://www.angelsplus.com/Meds.htm
"You can make your own medicated foods
by combining the food and medication with gelatin to hold it together.
Just soaking a dry food in medication is not very effective. The
medication dissolves or dispeares into the tanks water within seconds
and the dose cannot be controlled."