I have an adult male water dragon, Dude, and I think he may have mouth rot or something. He is still eating, but not like he used to. It seems to hurt his mouth when he has to chew a lot. He hasn't been interested in fuzzies lately. Anyway, his mouth looks like there's pus on the side on the inside and kind of crusty looking on the outside. I know I need to get him to the vet, but for now I have some Trimethoprim recently left over from my smaller water dragon. My little guy had a respiratory infection, and I quit giving him the antibiotic at the advice of my vet because he had no appetite. Would it be okay to give this to Dude to treat his mouth problem, or should I just wait until I can get him to a vet Monday? Any advice or suggestions would be appreciated. Thanks!

