Vestibular/otologic
Benign paroxysmal positional vertigo (BPPV)
Traumatic (following head injury)
Infection
Labyrinthitis
Vestibular neuritis
Ramsay Hunt syndrome
Ménière's disease
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 diseases
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 Disease
Hypoglycemia
Benign paroxysmal positional vertigo (BPPV)
Traumatic (following head injury)
Infection
Labyrinthitis
Vestibular neuritis
Ramsay Hunt syndrome
Ménière's disease
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 diseases
Vertebral Artery Dissection
Multiple sclerosis
Infections: neurosyphilis, tuberculosis
Epilepsy
Migraine (basilar)
Hematologic: anemia, polycythemia, hyperviscosity syndrome
Toxic
Alcohol
Aminoglycosides
Chronic renal failure
Metabolic
Thyroid Disease
Hypoglycemia
Alcohol
Aminoglycosides
Thyroid Disease
Hypoglycemia
Sudden Sensorineural Hearing Loss (SSHL)
Infections: (Meningitis, Viral cochleitis)
Barotrauma
Penetrating trauma
Meniere Disease
Autoimmune disease
Multiple Sclerosis
Cerebrovascular ischemia
Tumors (Acoustic neuroma, Meningioma)
Hereditary hearing loss
Congenital viral infections
Congenital malformations
Presbycusis
Thyrotoxicosis
Ototoxic drugs: Aminoglycosides, Erythromycin, Tetracycline, chemotherapeutic agents, high-dose aspirin, phosphodiesterase-5 inhibitors (e.g. sildenafil, antimalarial drugs, Cocaine, Heavy Metals
Otologic surgery
Noise exposure
Vestibular schwannoma
Vestibular/otologic
Vestibular neuritis
Benign paroxysmal positional vertigo 
Labyrinthitis
Traumatic 
Vestibular papillomatosis
Infection