Many dog owners have learned to recognize the telltale signs of an ear infection: whining, scratching, and head shaking are often the first symptoms of the problem. Ear infections are common conditions in dogs, especially those with floppy ears such as Basset Hounds and Cocker Spaniels. An estimated 20 percent of dogs have some form of ear disease, which may affect one or both ears. Fortunately, there are steps you can take to reduce the length and severity of these episodes for your dog. There are dog ear care products to help prevent issues from reoccurring. There are three types of ear infections, known formally as otitis externa, media, and interna. The most common is otitis externa, in which inflammation affects the layer of cells lining the external portion of the ear canal. Otitis media and interna refer to infections of the middle and inner ear canal, respectively. These infections often result from the spread of infection from the external ear. Otitis media and interna can be very serious and may result in deafness, facial paralysis, and vestibular signs. That’s why it’s important to prevent infections and seek early treatment when problems arise. Symptoms of Dog Ear Infections Some dogs show no symptoms of ear infection aside from a buildup of wax and discharge in the ear canal. But ear infections often cause significant discomfort and affected dogs may show signs such as:  Head shaking Scratching at the affected ear Dark discharge Odor Redness and swelling of the ear canal Pain Itchiness Crusting or scabs in the ears  What Causes Ear Infections in Dogs? The canine ear canal is more vertical than that of a human, forming an L-shape that tends to hold in fluid. This makes dogs more prone to ear infections. Ear infections are typically caused by bacteria, yeast, or a combination of both. In puppies, ear mites can also be a source of infection. Factors that may predispose your dog to ear infections include:  Moisture, which can create a prime growing environment for bacteria and yeast Allergies, which lead to ear disease in about 50 percent of dogs with allergic skin disease and 80 percent of dogs with food sensitivities Endocrine disorders, such as thyroid disease Autoimmune disorders Wax buildup Foreign bodies Injury to the ear canal Excessive cleaning  Precise Diagnosis Needed for a Dog’s Ear Infections If your dog is showing any of the common signs of ear infections, it’s important to consult with your veterinarian as soon as possible. Quick treatment is necessary not only for your dog’s comfort (these conditions can be painful!), but also to prevent the spread of infection to the middle and inner ear. Don’t try to treat ear infections at home. Be prepared to provide your vet with a thorough history of the problem. This is especially important for first-time infections, or if you are seeing a new veterinarian. Your vet will want to know the following:  Duration of any symptoms, such as pain, swelling, discharge,

Signs of an ear infection with Dr. Laura Brown

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