Most vertigo is caused by a harmless inner-ear problem, but vertigo can occasionally be the first sign of a stroke. Call 911 right away if vertigo comes with any neurological symptoms: slurred speech or trouble speaking, weakness or numbness (especially on one side), drooping of the face, double vision or vision loss, a sudden severe or “worst-ever” headache, confusion, or trouble walking or coordinating that is out of proportion to the dizziness. New, constant vertigo that will not stop, especially in someone with stroke risk factors (high blood pressure, diabetes, smoking, atrial fibrillation), also needs emergency evaluation. When in doubt, treat it as an emergency.
That sudden sensation that the room is spinning — even though you are standing perfectly still — is something a large share of people experience at some point in their lives. What causes vertigo is a question that sends millions of people to their doctors each year, and the answer is rarely as simple as “an ear infection.” Vertigo is a symptom, not a disease itself, and pinpointing the underlying cause is essential to finding effective relief. For more on conditions that affect daily life, explore our medical conditions guide.
Understanding Vertigo: More Than Dizziness
Vertigo is a specific type of dizziness characterized by a false sensation of movement, typically a spinning or tilting feeling. It is distinct from lightheadedness (feeling faint), disequilibrium (feeling off-balance without spinning), and presyncope (the feeling that you are about to pass out). Making this distinction matters because the causes and treatments differ significantly.
The vestibular system — a network of fluid-filled canals and sensors in the inner ear — works with your eyes and proprioceptive nerves (sensory receptors in muscles and joints) to maintain balance. When any component of this system malfunctions or sends conflicting signals to the brain, vertigo results. According to the National Institute on Deafness and Other Communication Disorders (NIDCD), vestibular (inner-ear) disorders account for the large majority of vertigo cases.
Peripheral Causes: Inner Ear Problems
Most vertigo originates in the inner ear (peripheral vertigo), and the episodes tend to be intense but relatively short-lived compared with central causes.
Benign Paroxysmal Positional Vertigo (BPPV)
BPPV is the single most common cause of vertigo, responsible for a large share of cases. It occurs when tiny calcium carbonate crystals (otoconia) break free from the utricle and drift into one of the semicircular canals, where they do not belong. These displaced crystals disturb the fluid dynamics that detect head rotation, triggering brief but intense spinning episodes — usually lasting less than a minute — set off by specific movements like rolling over in bed, tilting the head back, or bending forward.
BPPV is more common in adults over 50 and in women. Head trauma, prolonged bed rest, and inner-ear infections can trigger it, though many cases arise spontaneously. The good news: BPPV is highly treatable with repositioning maneuvers performed by a trained provider (more on treatments below).
Meniere’s Disease
Meniere’s disease involves episodes of vertigo lasting 20 minutes to several hours, accompanied by fluctuating hearing loss, tinnitus (ringing in the ear), and a sensation of fullness or pressure in the affected ear. The Mayo Clinic describes it as resulting from abnormal fluid buildup (endolymphatic hydrops) in the inner ear, though the exact trigger remains poorly understood. It typically affects one ear and usually develops between ages 40 and 60.
Vestibular Neuritis and Labyrinthitis
These conditions involve inflammation of the vestibular nerve (neuritis) or the inner-ear labyrinth (labyrinthitis), usually following a viral infection. Vestibular neuritis causes sudden, severe vertigo that can last days to weeks, along with nausea and balance problems, but without hearing changes. Labyrinthitis produces similar vertigo plus hearing loss or tinnitus. Both usually resolve gradually over weeks, though some people experience lingering imbalance. Importantly, a first episode of sudden, constant vertigo can be hard to tell apart from a stroke, which is why new, severe, persistent vertigo, especially with any neurological sign, should be evaluated urgently.
Central Causes: Brain-Related Vertigo
Central vertigo originates in the brainstem or cerebellum and tends to be less intense but longer-lasting than peripheral vertigo. It is less common but can signal serious underlying conditions.
Vestibular migraine is increasingly recognized as a major cause of recurrent vertigo. It affects roughly 1% of the general population and a significant proportion of people who have migraines. Episodes can last minutes to days and may or may not include headache — some people experience vertigo as their primary migraine symptom without significant head pain.
Less common but more concerning central causes include acoustic neuroma (vestibular schwannoma), a benign tumor on the vestibulocochlear nerve; stroke or transient ischemic attack (TIA) affecting the brainstem or cerebellum; multiple sclerosis; and Chiari malformation. Central vertigo typically presents with additional neurological symptoms such as double vision, difficulty swallowing, severe coordination problems, or limb weakness that help distinguish it from peripheral causes. Because a cerebellar stroke can sometimes mimic a benign inner-ear problem, clinicians use targeted bedside eye-movement exams and, when needed, imaging to tell them apart. If you notice the red-flag signs in the box above, do not wait — call 911.
Superior Canal Dehiscence Syndrome (SCDS)
A less well-known but increasingly recognized cause of vertigo is superior canal dehiscence syndrome, a condition in which a tiny opening develops in the bone covering the superior semicircular canal of the inner ear. Patients may experience vertigo triggered by loud sounds (Tullio phenomenon), straining, or coughing. Many also report autophony — hearing their own heartbeat, eye movements, or footsteps amplified inside the ear. SCDS is diagnosed with a high-resolution CT scan of the temporal bones and can be definitively treated with surgery, though many patients with mild symptoms are managed conservatively.
Other Triggers and Contributing Factors
Several medications can cause or worsen vertigo. Aminoglycoside antibiotics (such as gentamicin) are known to damage the vestibular system. Some blood pressure medications, anti-seizure drugs, sedatives, and high-dose aspirin can produce vertigo or dizziness as a side effect. Always discuss new-onset vertigo with your prescribing physician if you have recently started or changed medications, and do not stop a prescribed medicine on your own.
Anxiety and panic disorders can cause dizziness that mimics or coexists with vestibular vertigo, a condition sometimes called persistent postural-perceptual dizziness (PPPD). Low blood pressure (orthostatic hypotension), dehydration, anemia, and low blood sugar can all cause dizziness that may be confused with true vertigo. Cervicogenic dizziness, related to neck problems or whiplash injuries, is a less well-defined but recognized contributor.
Perilymphatic Fistula and Post-Traumatic Vertigo
A perilymphatic fistula — an abnormal tear or defect in the thin membranes separating the inner ear from the middle ear — can cause vertigo, hearing loss, and a sensation of fullness after head trauma, barotrauma (diving, flying), heavy lifting, or even vigorous nose-blowing. Fluid leaks through the fistula, disrupting the vestibular system’s ability to sense movement accurately. Diagnosis is challenging because there is no definitive non-surgical test. Treatment ranges from conservative management (rest, avoiding straining) to surgical repair.
Post-traumatic vertigo more broadly encompasses any vestibular symptoms following head or neck injury. Concussion-related vertigo is increasingly recognized, particularly in athletes and accident victims. Post-traumatic BPPV is common — the impact can dislodge otoconia. Labyrinthine concussion involves direct damage to inner-ear structures without fracture. According to the NIDCD, post-traumatic vertigo may resolve within weeks or persist for months, depending on the mechanism and severity of injury. Any vertigo after a significant head injury — especially with worsening headache, repeated vomiting, or confusion — needs prompt medical assessment.
How Vertigo Is Diagnosed
Diagnosis begins with a detailed history: How long do episodes last? What triggers them? Is hearing affected? Are there neurological symptoms? These questions help narrow the cause before any testing begins.
The Dix-Hallpike test is a standard bedside test for diagnosing BPPV. The provider moves the patient from sitting to lying down with the head turned to one side and extended slightly over the edge of the table, watching for characteristic eye movements called nystagmus. A positive test — nystagmus with a brief delay that fatigues on repeated testing — strongly suggests BPPV.
Hearing tests (audiometry) help identify Meniere’s disease or acoustic neuroma. Videonystagmography (VNG) or electronystagmography (ENG) track eye movements to evaluate vestibular function. MRI of the brain and inner ear may be ordered if a central cause, tumor, or structural abnormality is suspected. Blood work can rule out metabolic causes like thyroid dysfunction or anemia. The NIDCD provides a comprehensive overview of diagnostic approaches for balance disorders.
Treatment Options
Treatment depends entirely on the underlying cause, which is why accurate diagnosis is so important.
BPPV Treatments
The Epley maneuver — a series of specific head and body movements performed by a trained clinician — resolves BPPV in a high proportion of patients, often in a single session. The Semont maneuver is an alternative technique. Some patients are taught modified versions to perform at home, but it is best to be assessed first so the correct ear and canal are treated. Rarely, surgery (posterior canal plugging) is considered for stubborn cases that do not respond to repositioning.
Medications
Vestibular suppressants such as meclizine, dimenhydrinate, and short courses of benzodiazepines can provide short-term relief during acute vertigo episodes. However, these medicines should not be used long-term because they can impair the brain’s natural process of adapting to a vestibular problem. Anti-nausea drugs such as ondansetron help manage the vomiting that often accompanies severe episodes. Meniere’s disease may be managed with a low-sodium diet, diuretics, and, in stubborn cases, procedures such as intratympanic injections. All of these medicines and procedures are clinician-directed; dosing and duration should be set by your provider, not copied from the internet.
Vestibular Rehabilitation Therapy
Vestibular rehabilitation therapy (VRT) is a specialized form of physical therapy designed to help the brain compensate for vestibular deficits. Exercises include gaze stabilization (maintaining focus while moving the head), habituation exercises (repeated exposure to symptom-provoking movements), and balance training. VRT is particularly effective for vestibular neuritis, unilateral vestibular loss, and PPPD. Many patients show significant improvement within several weeks of consistent therapy.
Living With Chronic Vertigo
For patients whose vertigo does not fully resolve — particularly those with Meniere’s disease, vestibular migraine, or persistent postural-perceptual dizziness — daily management strategies become essential. Dietary modifications may help: reducing sodium intake is a cornerstone of Meniere’s management, and identifying and avoiding migraine triggers (certain foods, irregular sleep, stress) reduces vestibular migraine episodes. Our wellness guide has more on sleep and stress habits that support overall balance and well-being.
Fall prevention is a practical concern. Remove throw rugs, install grab bars in bathrooms, ensure adequate lighting, and wear flat, supportive shoes. Using a cane during acute episodes is not a sign of weakness; it is a safety measure. Driving restrictions may apply during active vertigo episodes, so discuss this with your provider, as some states have reporting requirements for conditions that impair driving ability.
Mental health support matters too. Chronic vertigo is strongly associated with anxiety and depression, since the unpredictability of attacks and the limits on daily activities take a real psychological toll. Cognitive behavioral therapy adapted for vestibular conditions has shown promise in reducing both the emotional impact and the subjective severity of symptoms. Support groups, both online and in person, provide community and practical coping tips from others who understand the experience firsthand.
When to See a Doctor
See your healthcare provider if vertigo episodes are recurring, last more than 24 hours, significantly interfere with daily activities, or are accompanied by hearing changes. Seek immediate medical attention (call 911) for vertigo combined with sudden severe headache, double vision, facial numbness or weakness, difficulty speaking or swallowing, limb weakness or coordination loss, or chest pain. As noted at the top of this article, these combinations may indicate a stroke or another serious neurological event requiring emergency evaluation.
Frequently Asked Questions
Can stress cause vertigo?
Stress does not directly cause vestibular vertigo, but it can trigger or worsen episodes in people who already have a vestibular condition. Stress is a well-documented trigger for vestibular migraine and can aggravate Meniere’s flares. Anxiety can also cause dizziness that feels similar to vertigo, and chronic stress may slow recovery from vestibular disorders.
How long does vertigo usually last?
Duration varies widely by cause. BPPV episodes typically last less than a minute. Meniere’s attacks last 20 minutes to several hours. Vestibular neuritis can cause continuous vertigo for days to weeks. Vestibular migraine episodes range from minutes to about 72 hours. Persistent vertigo lasting more than a day or two warrants medical evaluation, and sudden, constant vertigo with any neurological sign needs emergency care.
Is vertigo a sign of something serious?
Most vertigo is caused by benign conditions like BPPV, which is very treatable. However, vertigo can occasionally indicate a stroke, brain tumor, or multiple sclerosis, particularly when accompanied by neurological symptoms such as slurred speech, vision changes, weakness, or severe coordination problems. Vertigo that starts suddenly in someone with cardiovascular or stroke risk factors should be evaluated promptly.
Can vertigo go away on its own?
Yes, in many cases. BPPV sometimes resolves on its own as the displaced crystals dissolve or migrate out of the semicircular canal. Vestibular neuritis gradually improves as the brain compensates for the affected nerve. However, seeking treatment typically leads to faster resolution and a lower risk of recurrence than simply waiting it out — and it ensures a serious cause is not missed.
What to Do Next
If you are experiencing recurring vertigo, start keeping a symptom diary. Note when episodes occur, how long they last, what triggers them (specific head movements, stress, dietary factors), whether hearing is affected, and any other accompanying symptoms. This information is invaluable for your doctor in narrowing down the cause. Request a referral to an otolaryngologist (ENT specialist) or a neuro-otologist if your primary care physician cannot identify the cause. Many cases of vertigo — particularly BPPV — can be resolved in a single office visit with the right maneuver, so do not assume you simply have to live with it.
This article is general education, not medical advice, and is not a substitute for care from a qualified clinician. It cannot diagnose the cause of your dizziness. Medication names are mentioned for information only and should be used only as prescribed. If vertigo comes with slurred speech, facial droop, weakness or numbness, double vision, a sudden severe headache, or trouble walking or coordinating, call 911 immediately — it may be a stroke.
Sources
- National Institute on Deafness and Other Communication Disorders (NIDCD) — Balance Disorders
- Mayo Clinic — Meniere’s Disease
- Cleveland Clinic — Vertigo
- MedlinePlus (U.S. National Library of Medicine) — Dizziness and Vertigo