Vestibular/otologic
Benign paroxysmal positional vertigo (BPPV)
Traumatic (following head injury)
Infection
Labyrinthitis
Vestibular neuritis
Ramsay Hunt syndrome<unk> 
Ear foreign body
Otic barotrauma
Otosclerosis
Neurologic
Cerebellar stroke
Vertebrobasilar insufficiency
Lateral Wallenberg syndrome
Anterior inferior cerebellar artery syndrome
Neoplastic: cerebellopontine angle tumors
Basal ganglion<unk> s
Vertebral Artery Dissection
Multiple sclerosis
Infections: neurosyphilis, tuberculosis
Epilepsy
Migraine (basilar)
Other
Hematologic: anemia, polycythemia, hyperviscosity syndrome
Toxic
Alcohol
Aminoglycosides
Chronic renal failure
Metabolic
Thyroid<unk> 
Hypoglycemia
Benign paroxysmal positional vertigo (BPPV)
Traumatic (following head injury)
Infection
Labyrinthitis
Vestibular neuritis
Ramsay Hunt syndrome<unk> 
Ear foreign body
Otic barotrauma
Otosclerosis
Labyrinthitis
Vestibular neuritis
Ramsay Hunt syndrome
Cerebellar stroke
Vertebrobasilar insufficiency
Lateral Wallenberg syndrome
Anterior inferior cerebellar artery syndrome
Neoplastic: cerebellopontine angle tumors
Basal ganglion<unk> s
Vertebral Artery Dissection
Multiple sclerosis
Infections: neurosyphilis, tuberculosis
Epilepsy
Migraine (basilar)
Hematologic: anemia, polycythemia, hyperviscosity syndrome
Toxic
Alcohol
Aminoglycosides
Chronic renal failure
Metabolic
Thyroid<unk> 
Hypoglycemia
Alcohol
Aminoglycosides
Thyroid<unk> 
Hypoglycemia
Ménière's disease
Vestibular/otologic
Wellens' syndrome
Benign paroxysmal positional vertigo 
Benign paroxysmal positional vertigo
Traumatic 
Sheehan's syndrome
Infection