Surprisingly, bacteria and yeast are not considered a cause of cat ear problems. (cat-pregnancy-report.com)
Successful management of cat ear problems requires both identification of the primary causes and management of secondary infections. (cat-pregnancy-report.com)
Cat ear mites are microscopic spider or crab like parasites, and if they aren't treated, can cause infections and even permanent listening to loss in your cat. (gulfcoastvetspec.com)