I'm so sorry to hear she's got an ear infection! Poor girly!
Ear infections are seriously painful for bunnies, is she on metacam? Please Keep a close eye and make sure she is eating and drinking, which I can see you are, especially if her tilt does seem to get worse?
I'm glad they have taken swabs of the pus, but being honest you really need to push for stronger anti-biotics! Are you actually dropping anything into her ears?
Baytril is quite a standard and broad spectrum anti-biotic, and not really strong enough for ear infections. Maybe you could ask for something like chlorophenical ear drops? And an oral anti-biotic called
As you'll probably read on the links mightymax has posted, there are different stages of infection, inner, middle or outer. Your vet will need to do a CT scan to fully access where the infection is, so I would also push for this if you have the funds to do so?
Sending lots of vibes for your girl and feel free to PM me any time for any questions xx