Otitis Externa and Otitis Media in Cats
 
Otitis externa is a chronic inflammation of a cat's external ear canal. Otitis media, meanwhile, is an inflammation of the cat's middle ear. Both of these terms are used to describe clinical symptoms and are not diseases in themselves.
 
Otitis externa often results when a change in the normal environment of the ear canal causes the glands lining the canal to enlarge and produce excessive wax. Gradually, the outer skin (epidermis) and the inner skin (dermis) produce excessive fibrous tissue (fibrosis) and the canal becomes narrowed. It is ...read more