I got mine from my vet, but I don't believe it will do anything for an ear infection. As far as I know, Baytril does nothing for an ear infection, either, but I could be wrong. Try printing this off and giving it to your vet...
http://www.rmca.org/Articles/dchart.htmFor your own personal use, try this...
http://ratguide.com/meds/I don't recommend treating your pets yourself unless you have experience in exactly what's going on and have been to a vet for it, before. It's too easy to over-dose or completely misdiagnose something. I'd definitely try to find a better vet, if he won't pay attention to the info on the first website.