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Otitis (ear infections) is diagnosed by using an otoscope and looking deep into the ear canal. The skin inside the ear turns deep red if your pet is fighting an infection. The type of discharge deep in the ear can be seen, and some can be removed to send to the lab to identify the specific bacteria and yeast creating the infection.
Because the ear canal makes a sharp turn, your veterinarian will pull slightly on the ear to straighten the canal and make it possible to see the ear drum. If there is fluid or pus behind the drum, which occurs with a middle ear infection, your veterinarian can diagnose a middle ear infection. Distinguishing whether your pet has an outer ear infection, a middle ear infection, or both helps your veterinarian choose the most effective treatment.
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