What Causes Ear Infections in Cats? Generally, unless your cat has picked up mites from another animal, ear infections are a secondary condition. That means they are actually the result of some other underlying medical problem.
What Are Cat Ear Infections? A cat ear infection (Otitis externa) is inflammation, or swelling, of a felines outer ear canal. This inflammation may be acute (recent) or chronic (long-lasting). Cat ear infections are common and can have several causes.
Potential Causes. Cat ear infections are usually the result of overgrown bacteria, yeast, or both.Mites are also very contagious, so you should check the ears of any other pets in the house for them. Any infected pets will need to be treated to ensure they wont recur.

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What are the causes of ear infection in cats?If your cat becomes allergic to certain parasites or even something in their food, they can develop symptoms such as itchiness around the ears, causing them to scratch the area and produce lacerations that can easily get infected. Ear injuries.
Common cat ear infection causes include ear mites, allergies, yeast or bacterial overgrowth, and trauma. Symptoms can range from scratching and head shaking to black debris or foul odor in the ears.

Ear infections can affect cats of any age, breed, or gender. Typically, they are due to an overgrowth of bacteria or yeast (or both). This occurs due to an underlying condition or anything that causes inflammation inside the ear canal. Cat ear infections are classified by how deep they are.
Cats suffering from an ear infection might experience different signs because of how severe their infection is and how long the ears have been infected.owner check cats ears, inspect cat ears. Image Credit: Simxa, Shutterstock. What Are the Causes of Ear Infections in Cats?
Common Causes of Cat Ear Infections. Understanding why ear infections happen is the first step in preventing them. Here are the most common culpritsTreatment Options for Cat Ear Infections. The right treatment depends on whats causing the infection.