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Horizontal nystagmus, a sign which can accompany vertigo.
Classification and external resources
Specialty Otorhinolaryngology
ICD-10 H81, R42
ICD-9-CM 438.85, 780.4
DiseasesDB 29286
eMedicine article/1159385
MeSH D014717

Vertigo is when a person feels like they are moving when they are not.[1] Often it feels like a spinning or swaying movement.[1][2] There may be associated nausea, vomiting, sweating, or difficulties walking. It is typically worsened when the head is moved. Vertigo is the most common type of dizziness.[2] The most common diseases that result in vertigo are benign paroxysmal positional vertigo, Ménière's disease, and labyrinthitis.[1][2] Less common causes include stroke, brain tumors, brain injury, multiple sclerosis, and migraines.[2] Physiologic vertigo may occur following being exposed to motion for a prolonged period such as when on a ship or simply following spinning with the eyes closed.[3][4] Other causes may include toxin exposures such as to carbon monoxide, alcohol, or aspirin.[5] Vertigo is a problem in a part of the vestibular system. Other causes of dizziness include presyncope, disequilibrium, and non-specific dizziness.[2] Benign paroxysmal positional vertigo is more likely in someone who gets repeated episodes of vertigo with movement and are otherwise normal between these episodes.[6] The episodes of vertigo should last less than one minute.[2] The Dix-Hallpike test typically produces a period of rapid eye movements known as nystagmus in this condition.[1] In Ménière's disease there is often ringing in the ears, hearing loss, and the attacks of vertigo last more than twenty minutes. In labyrinthitis the onset of vertigo is sudden and the nystagmus occurs without movement.[6] In this condition vertigo can last for days.[2] More severe causes that should also be considered.[6] This is especially true if other problems such as weakness, headache, double vision, or numbness occur.[2] Dizziness affects approximately 20%-40% of people at some point in time while about 7.5%-10% have vertigo.[7] About 5% have vertigo in a given year. It becomes more common with age and affects women two to three times more often than men. Vertigo accounts for about 2-3% of emergency department visits in the developed world.[8]


  • Classification 1
    • Peripheral 1.1
    • Central 1.2
  • Signs and symptoms 2
    • Motion sickness 2.1
  • Diagnostic approach 3
    • Benign paroxysmal positional vertigo 3.1
    • Ménière's disease 3.2
    • Vestibular neuritis 3.3
    • Vestibular migraine 3.4
  • Pathophysiology 4
  • Management 5
  • Etymology 6
  • See also 7
  • References 8


Vertigo is classified into either peripheral or central depending on the location of the dysfunction of the vestibular pathway,[9] although it can also be caused by psychological factors.[10]

Vertigo can also be classified into objective, subjective, and pseudovertigo. Objective vertigo describes when the person has the sensation that stationary objects in the environment are moving.[11][12] Subjective vertigo refers to when the person feels as if they are moving.[11][12] The third type is known as pseudovertigo, an intensive sensation of rotation inside the person's head. While this classification appears in textbooks, it has little to do with the pathophysiology or treatment of vertigo.[13]


Vertigo caused by problems with the inner ear or vestibular system, which is composed of the semicircular canals, the vestibule (utricle and saccule), and the vestibular nerve is called "peripheral", "otologic" or "vestibular" vertigo.[11][14] The most common cause is benign paroxysmal positional vertigo (BPPV), which accounts for 32% of all peripheral vertigo.[14] Other causes include Ménière's disease (12%), superior canal dehiscence syndrome, labyrinthitis, and visual vertigo.[14][15] Any cause of inflammation such as common cold, influenza, and bacterial infections may cause transient vertigo if it involves the inner ear, as may chemical insults (e.g., aminoglycosides)[16] or physical trauma (e.g., skull fractures). Motion sickness is sometimes classified as a cause of peripheral vertigo.

Patients with peripheral vertigo typically present with mild to moderate imbalance, nausea, vomiting, hearing loss, tinnitus, fullness, and pain in the ear.[14] In addition, lesions of the internal auditory canal may be associated with facial weakness on the same side.[14] Due to a rapid compensation process, acute vertigo as a result of a peripheral lesion tends to improve in a short period of time (days to weeks).[14]


Vertigo that arises from injury to the balance centers of the central nervous system (CNS), often from a lesion in the brainstem or cerebellum,[6][11][17] is called "central" vertigo and is generally associated with less prominent movement illusion and nausea than vertigo of peripheral origin.[18] Central vertigo has accompanying neurologic deficits (such as slurred speech and double vision), and pathologic nystagmus (which is pure vertical/torsional).[14][18] Central pathology can cause disequilibrium which is the sensation of being off balance. The balance disorder associated with central lesions causing vertigo is often so severe that many patients are unable to stand or walk.[14]

A number of conditions that involve the central nervous system may lead to vertigo including: lesions caused by infarctions or hemorrhage, tumors present in the cerebellopontine angle such as a vestibular schwannoma or cerebellar tumors,[6][9] epilepsy,[19] cervical spine disorders such as cervical spondylosis,[9] degenerative ataxia disorders,[6] migraine headaches,[6] lateral medullary syndrome, Chiari malformation,[6] multiple sclerosis,[6] parkinsonism, as well as cerebral dysfunction.[14] Central vertigo may not improve or may do so more slowly than vertigo caused by disturbance to peripheral structures.[14]

Signs and symptoms

Vertigo is a sensation of spinning while stationary.[20] It is commonly associated with nausea or vomiting,[19] unsteadiness (postural instability),[17] falls,[21] changes to a person's thoughts, and difficulties in walking.[22] Recurrent episodes in those with vertigo are common and frequently impair the quality of life.[8] Blurred vision, difficulty in speaking, a lowered level of consciousness, and hearing loss may also occur. The signs and symptoms of vertigo can present as a persistent (insidious) onset or an episodic (sudden) onset.[23]

Persistent onset vertigo is characterized by symptoms lasting for longer than one day[23] and is caused by degenerative changes that affect balance as people age. Naturally, the nerve conduction slows with aging and a decreased vibratory sensation is common.[24] Additionally, there is a degeneration of the

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See also

Vertigo is from the Latin word vertō which means "a whirling or spinning movement".[39]


Definitive treatment depends on the underlying cause of vertigo.[6] Ménière's disease patients have a variety of treatment options to consider when receiving treatment for vertigo and tinnitus including: a low-salt diet and intratympanic injections of the antibiotic gentamicin or surgical measures such as a shunt or ablation of the labyrinth in refractory cases.[35] Common drug treatment options for vertigo may include the following:[36]


Three other neurotransmitters work centrally. Dopamine may accelerate vestibular compensation. Norepinephrine modulates the intensity of central reactions to vestibular stimulation and facilitates compensation. Histamine is present only centrally, but its role is unclear. Dopamine, histamine, serotonin, and acetylcholine are neurotransmitters thought to produce vomiting.[6] It is known that centrally acting antihistamines modulate the symptoms of acute symptomatic vertigo.[34]

The neurochemistry of vertigo includes six primary neurotransmitters that have been identified between the three-neuron arc[33] that drives the vestibulo-ocular reflex (VOR). Glutamate maintains the resting discharge of the central vestibular neurons, and may modulate synaptic transmission in all three neurons of the VOR arc. Acetylcholine appears to function as an excitatory neurotransmitter in both the peripheral and central synapses. Gamma-Aminobutyric acid (GABA) is thought to be inhibitory for the commissures of the medial vestibular nucleus, the connections between the cerebellar Purkinje cells, and the lateral vestibular nucleus, and the vertical VOR.


Vestibular migraine is the association of vertigo and migraines and is one of the most common causes of recurrent, spontaneous episodes of vertigo.[7][8] The etiology of vestibular migraines is currently unclear;[7] however, one hypothesized cause is that the stimulation of the trigeminal nerve leads to nystagmus in individuals suffering from migraines.[1] Other suggested causes of vestibular migraines include the following: unilateral neuronal instability of the vestibular nerve, idiopathic asymmetric activation of the vestibular nuclei in the brainstem, and vasospasm of the blood vessels supplying the labyrinth or central vestibular pathways resulting in ischemia to these structures.[19] Vestibular migraines are estimated to affect 1-3% of the general population[1][8] and may affect 10% of migraine patients.[1] Additionally, vestibular migraines tend to occur more often in women and rarely affect individuals after the sixth decade of life.[7]

Vestibular migraine

Vestibular neuritis presents with severe vertigo[8] with associated nausea, vomiting, and generalized imbalance and is believed to be caused by a viral infection of the inner ear though several theories have been put forward and the etiology remains uncertain.[6][32] Individuals with vestibular neuritis do not typically have auditory symptoms but may experience a sensation of aural fullness or tinnitus.[32] Persisting balance problems may remain in 30% of people affected.[8]

Vestibular neuritis

Ménière's disease is a vestibular disorder of unknown origin, but is thought to be caused by an increase in the amount of endolymphatic fluid present in the inner ear (endolymphatic hydrops).[1] However, this idea has not been directly confirmed with histopathologic studies but electrophysiologic studies have been suggestive of this mechanism.[31] Ménière's disease frequently presents with recurrent, spontaneous attacks of severe vertigo in combination with ringing in the ears (tinnitus), a feeling of pressure or fullness in the ear (aural fullness), severe nausea or vomiting, imbalance, and hearing loss.[6][23][31] As the disease worsens, hearing loss will progress.

Ménière's disease

Benign paroxysmal positional vertigo (BPPV) is the most common vestibular disorder[7] and occurs when loose calcium carbonate debris has broken off of the otoconial membrane and enters a semicircular canal thereby creating the sensation of motion.[1][6] Patients with BPPV may experience brief periods of vertigo, usually under a minute,[6] which occur with change in position.[28] It is the most common process of vertigo.[8] It occurs in 0.6% of the population yearly with 10% having an attack during their lifetime.[8] It is believed to be due to a mechanical malfunction of the inner ear.[8] BPPV may be diagnosed with the Dix-Hallpike test and can be effectively treated with repositioning movements such as the Epley maneuver.[8][28][29][30]

Benign paroxysmal positional vertigo

A number of specific conditions can cause vertigo. In the elderly, however, the condition is often multifactorial.[8]

Tests of auditory system (hearing) function include pure tone audiometry, speech audiometry, acoustic reflex, electrocochleography (ECoG), otoacoustic emissions(OAE), and the auditory brainstem response test.[27]

Tests for vertigo often attempt to elicit nystagmus and to differentiate vertigo from other causes of dizziness such as presyncope, hyperventilation syndrome, disequilibrium, or psychiatric causes of lightheadedness.[1] Tests of vestibular system (balance) function include: electronystagmography (ENG),[1] Dix-Hallpike maneuver,[1] rotation tests, head-thrust test,[6] caloric reflex test,[6][26] and computerized dynamic posturography (CDP).[27] CT scans or MRIs are sometimes used by physicians when diagnosing vertigo.[19]

Diagnostic approach

Motion sickness is one of the most prominent symptoms of vertigo and develops most often in persons with inner ear problems. The feeling of dizziness and lightheadedness is often accompanied by nystagmus (an involuntary movement of the eye characterized by a smooth pursuit eye movement followed by a rapid saccade in the opposite direction of the smooth pursuit eye movement). During a single episode of vertigo, this action will occur repeatedly. Symptoms can fade while sitting still with the eyes closed.

Motion sickness

The characteristics of an episodic onset vertigo is indicated by symptoms lasting for a smaller, more memorable amount of time, typically lasting for only seconds to minutes.[23] Typically, episodic vertigo is correlated with peripheral symptoms and can be the result of but not limited to diabetic neuropathy or autoimmune disease.

[23] Persistent onset is commonly paired with central vertigo signs and systems.[25]

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