Middle or inner ear infections are the result of a chronic traditional ear infection, or when an ear infection is left untreated. Various causes of vestibular disease in dogs include:Įar infection that extends past the eardrum into the middle and inner ear. Horner’s syndrome (drooping of the upper eyelid and face muscles on one side of face) The most common symptoms of vestibular disease in dogs include: Your dog will show the worst symptoms of the disease within the first 48 hours and will typically improve over two to three weeks. Old dog vestibular disease happens suddenly, and symptoms traditionally do not progress or worsen over time. This type of vestibular disease happens most commonly in older dogs, which is the reason it is known as geriatric or “old dog” vestibular disease. When a cause of vestibular disease is unknown, it is called idiopathic vestibular disease or syndrome. Why Is It Called ‘Old Dog’ Vestibular Disease? The symptoms of vestibular disease in dogs are similar to the symptoms of vertigo in humans. Like vertigo (dizziness) in humans, vestibular disease in dogs is caused by a dysfunction of the inner ear. Is Vestibular Disease Similar to Vertigo? Vestibular disease in dogs is also known as geriatric or “old dog” vestibular disease or canine idiopathic vestibular disease. Since the inner ear is part of the middle ear, any disease that affects the middle ear-or specifically targets the inner ear-may cause vestibular disease. Vestibular Disease: Vestibular disease is any abnormal function of the middle or inner ear (vestibular system) that causes sudden loss of balance and coordination, among other symptoms. Within the middle ear is a smaller area composed of many inter-related structures, collectively known as the inner ear. Vestibular System: The entire vestibular system is located within a portion of the ear, just past the eardrum, called the middle ear. Like humans, the vestibular system in dogs is responsible for maintaining balance, posture, and head position, and influences eye movement.
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