Definitions for vestibular neuronitis
Vestibular neuronitis, also called Vestibular neuritis, can be a paroxysmal, single attack of vertigo, a series of attacks, or a persistent condition that diminishes over three to six weeks. It is a type of unilateral vestibular dysfunction and may be associated with nausea, vomiting, and previous upper respiratory tract infections. It generally has no auditory symptoms, unlike labyrinthitis. Vestibular neuronitis may also be associated with eye nystagmus. The cause is not clearly understood, and the term "neuronitis" is inaccurate because there is no evidence of inflammation. The term is usually retained due to its common usage. It appears to be caused by an imbalance of neuronal input between the left and right inner ears.
U.S. National Library of Medicine
Idiopathic inflammation of the VESTIBULAR NERVE, characterized clinically by the acute or subacute onset of VERTIGO; NAUSEA; and imbalance. The COCHLEAR NERVE is typically spared and HEARING LOSS and TINNITUS do not usually occur. Symptoms usually resolve over a period of days to weeks. (Adams et al., Principles of Neurology, 6th ed, p304)
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"vestibular neuronitis." Definitions.net. STANDS4 LLC, 2013. Web. 5 Dec. 2013. <http://www.definitions.net/definition/vestibular neuronitis>.