Recently, our adult corn was taken to the vet for a lump in his throat and received the diagnosis of the beginnings of mouth rot. Instead of giving us anti biotics, the vet told us to put hydrogen peroxide in his mouth using a q-tip once every two or three days. We did this until the lump was gone and the mouth looked healthy again, he never lost his appetite through out the whole thing.
Now, several weeks later, his stool is nothing but yellow water and he's refusing to eat despite it being two weeks now since he last ate.
The temps in the enclosure haven't changed; he's more active than he's been in a while, exploring his cage and looking for escape routes; his scales aren't opaque/grey nor is he in the blue; he'll perk up and follow our hand if we put it next to the cage, and he'll follow the mouse for a few seconds but with both, he loses interest after the initial investigation.
I've heard that the formula in the title spells bad news, but I can't find anything online about it. Any ideas or suggestions?

