Dog Ear Inflammation Causes

Ear inflammation is a relatively common occurrence in dogs, affecting around 20 percent of them. It can be caused by various factors such as excessive hair in the ear canal, allergies, earwax build-up or moisture within the ear canal.


Bacteria are microscopic organisms that live in soil, acidic hot springs, radioactive waste, seawater, deep within the Earth's crust and even within other living things. Bacterial infections in dogs' ears, known as otitis externa, are an unfortunately common occurrence. When left untreated, these infections can cause hearing loss, balance issues and in severe cases, facial paralysis. Once the source of a condition is identified, it can be treated accordingly. For instance, if it's allergies or parasites causing it, therapy will aim to control or eliminate those factors. On the other hand, bacterial or yeast infections require antibiotic treatment while chronic ear infections require ongoing care in order to keep them under control and prevent recurrences.


Yeast is a common cause of ear inflammation in dogs, and if left untreated it can be very challenging to heal. Dogs with yeasty ears may experience itching, discomfort and an unpleasant odor. To prevent yeast buildup in your dog's ears, it is best to regularly clean them - particularly after baths or swimming. A vet-approved ear cleaner can help remove moisture and debris that could make an infection worse. Ear yeast infections can be treated with oral anti-yeast medications and ointments, or surgery if the infection is deep within the ear canal. It's essential to follow your vet's instructions closely and complete all prescribed medication even if your dog seems to be improving; otherwise, the problem could return.


Parasites are a common cause of dog ear inflammation. These parasites can spread from pet to pet and cause much distress for not only your pup but any other pets in the household as well. Parasitic infections are typically treated with anti-parasitic medications. These can come in either topical (drops or ointment form) or oral dosage forms. Once the cause of the infection is identified, your veterinarian can treat it appropriately. In severe cases, medication may need to be given for weeks or months in order to fully resolve the condition.


Allergies in dogs' ears can lead to inflammation and itching, depending on the type of allergy. These could be seasonal or chronic issues. When a dog experiences an allergic reaction, their body responds by producing histamine which causes red, itchy skin (including the ears). This condition is known as dermatitis.

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