Conditions affected the 8th cranial nerve can result in the vestibular syndrome, which may be acute or chronic.
Clinical presentation:
(1) dizziness
(2) nausea and vomiting
(3) headache
(4) intolerance of head motion
(5) nystagmus
(6) unsteady gait
Possible causes:
(1) acute vestibular neuritis (due to drugs, chemicals, infection, etc)
(2) stroke in the posterior circulation (cerebellar, pontine, other)
(3) tumors (malignatn lymphoma)
(4) medullary cavernous malformation
(5) multiple sclerosis
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Specialty: Neurology, Otolaryngology
