Cat Ear Infection Swollen Face. Petmd explains that facial swelling in cats is a symptom of swollen salivary glands, also referred to as salivary mucocele. Your vet will examine your cat and use an otoscope to find out what is wrong with their ear.
Cats can become injured rather easily. These bites and scratches often become infected and cause an abscess. They penetrate into the thin skin on the ear, causing inflammation;
Typically, an owner might notice redness or discharge in the ear canal.
A discharge may be present in the ears, and in severe cases, visible on the fur outside and around the ears. The list of diseases is quite large: Common causes of this are ear infections or parasites such as fleas or ear mites. These are strong indicators that your cat has an infection and that antibiotics are the best treatment.