Causes of otitis externa Many factors can cause otitis externa. Dogs often have dirt in their ear canal, which is a good place for bacteria to grow and reproduce. Especially dogs with drooping ears. There are many bacteria that infect the external ear, such as Escherichia coli. Fungal otitis externa, such as molds, pityriasis and candida of Aspergillus, Penicillium and Rhizopus, can cause otitis externa. Parasitic otitis externa is mainly caused by dog ear mites.
Symptoms of otitis externa Dogs with otitis externa will have symptoms of shaking their heads, itching, scratching their ears with their hind legs, and sometimes they will see their injuries leading to bruises and bleeding. Ear examination shows that there are yellowish brown secretions in the external auditory canal, scattered with peculiar smell, epithelial degeneration and thickening of the ear canal, and sticky secretions outside the ear canal are often dyed yellow. If the treatment is not timely, it can develop deep, leading to otitis media and suppurative otitis media.
How to treat otitis externa, diminish inflammation and relieve itching, remove the cause, and remove dirt and moisture in the ear canal?