Inflammation of the Middle and Inner Ear in Rabbits
Otitis Media and Interna in Rabbits
Otitis media and otitis interna are conditions in which there is inflammation of the middle and inner ear canals (respectively) in rabbits. It is most commonly caused by a bacterial infection that has spread from the external ear cavity into the inner ear. In the initial stages, the rabbit may feel nausea related to the ear infection and may demonstrate loss of appetite with refusal of food. It may also affect the rabbit's nose and the throat if the infection spreads.
The ears, the vestibular system (inner ear balance mechanism), the nerves in the ear area, and the eyes may all be affected. This is one of the most common disorders seen in pet rabbits overall, but lop-eared rabbits are more likely to show signs of otitis externa (inflammation of the outer ear).
Symptoms and Types
Symptoms are related to the severity and extent of the infection; they may range from none to mild discomfort to signs of nervous system involvement. Other common signs associated with otitis media and interna include:
If only one side is affected, it may be due to foreign bodies, trauma, and tumor. However, bacterial infection is the most common cause of otitis media and interna. Other underlying causes include:
There are several causes for ear infection, and your veterinarian will need to distinguish from other causes of head tilt and rolling episodes. You will need to provide a thorough history of your rabbit's health leading up to the onset of symptoms. A complete blood profile will be conducted, including a chemical blood profile, a complete blood count, and a urinalysis. Your doctor will also take a tissue sample. The results of these tests may show an underlying bacterial infection that has migrated to the ear, a fungal yeast infection, or the presence of parasites.
Visual diagnostics may include X-rays of the ear and face region to look for evidence of foreign materials that have gotten lodged in the ear canal, or tumors that are blocking the canal. A computed tomography (CT) can be used for better resolution and visualization if the X-ray does not give your doctor enough information.
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A type of fungus that produces buds
Inflammation of the middle parts of the ear
Inflammation of the external parts of the ear
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A medical condition in which the ear becomes inflamed
On the very same side as something
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