SQ
Senior Member - Vegan for the animals
In my experience, rats may need antibiotics for at least 6 weeks or longer for an inner ear infection.
http://ratguide.com/health/auricle_ear/otitis_media_otitis_interna_labyrinthitis.php
http://ratguide.com/health/auricle_ear/otitis_media_otitis_interna_labyrinthitis.php