Prednisone, which is an anti-inflammatory, is also frequently prescribed for ear infections. It helps get the swelling down inside his ears so he doesn't lose his balance quite as much. If the doxy doesn't show some improvement in a couple of days, you'll want to call your vet back (don't wait a week) and let her know. This article (
click here) suggests some other antibiotics to try in combination with baytril/enrofloxacin. Good luck with him, I'll keep my fingers crossed.