Mondo Description 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)

Disease Ontology Description A inner ear infectious disease caused by a viral infection which involves inflammation of the vestibular nerve. It usually results as a complication of an upper respiratory infection. This causes sudden and severe vertigo, nausea and vomiting. Auditory symptoms are usually absent.