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Otitis externa is an inflammation of the outer ear and ear canal. Animals are commonly prone to ear infection, and this is one of the most common manifestations of allergy in dogs. In dogs, those breeds with floppy ears are more prone, since air flow is limited and a warm, moist environment built up, which is conducive to infection.
Otitis externa responds well to treatment, but complications may occur if it is not treated. Individuals with underlying diabetes , disorders of the immune system, or history of radiation therapy to the base of the skull are more likely to develop complications, including malignant otitis externa. [ 23 ]
The most common aetiology of acute otitis externa is bacterial infection, [5] while chronic cases are often associated with underlying skin diseases such as eczema or psoriasis. [6] A third form, malignant otitis externa, or necrotising otitis externa, is a potentially life-threatening, invasive infection of the external auditory canal and ...
Ticks* are an external parasite of the dog and can spread diseases such as Lyme disease, Rocky Mountain spotted fever, babesiosis, and ehrlichiosis. They can also cause a neurological disorder known as tick paralysis. [33] Mites. Ear mites are microscopic members of the species Otodectes cynotis. Symptoms include itching, inflammation, and ...
Malignant otitis externa is a rare and potentially life-threatening complication of otitis externa in which the infection spreads from the ear canal into the surrounding skull base, hence becoming an osteomyelitis. [16] It occurs largely in diabetic patients. [20]
Another common condition is otitis externa (outer ear infections), which is common to a variety of spaniels, as the long floppy ears trap moisture, making them more prone to recurrent infections than dogs with more upright ears. The infections can be caused by a variety of reasons, including mites, ear fungi and generally dirt and germs.
Hydrocortisone aceponate is typically used for skin conditions in veterinary practices for dogs. In this instance, it can be used on acute otitis externa, [7] a bacterial infection causing inflammation of the ear canal, as well as a treatment for itchy skin caused by allergies. [1]
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