There is no single test that confirms Meniere’s disease. Diagnosis relies on a combination of your symptom history, a hearing test, and a series of other assessments designed to rule out conditions that look similar. A doctor, typically an ENT specialist or audiologist, pieces together results from several tests to determine whether your symptoms meet established diagnostic criteria.
What Doctors Look for First
The most important “test” is actually a detailed review of your symptoms. The international diagnostic criteria, developed jointly by the Bárány Society and the American Academy of Otolaryngology, split diagnoses into two categories: definite and probable Meniere’s disease.
For a definite diagnosis, you need to have experienced episodes of vertigo lasting between 20 minutes and 12 hours, documented low- to mid-frequency hearing loss in one ear on at least one occasion, and fluctuating ear symptoms like tinnitus, fullness, or muffled hearing in the affected ear. Probable Meniere’s is a broader category where vertigo or dizziness episodes last 20 minutes to 24 hours and come with fluctuating ear symptoms, but the full hearing loss pattern hasn’t been confirmed yet.
Your doctor will ask detailed questions about how long your vertigo episodes last, what they feel like, whether your hearing changes before or during attacks, and whether you notice ringing or pressure in one ear. These details matter enormously because they help separate Meniere’s from other vestibular conditions.
The Hearing Test
An audiogram is the cornerstone of Meniere’s testing. You’ll sit in a soundproof booth wearing headphones while tones are played at different pitches and volumes. The audiologist maps out which frequencies you can and can’t hear in each ear separately.
Meniere’s disease produces a characteristic pattern: hearing loss concentrated in the low and mid frequencies in one ear. This is different from age-related hearing loss, which typically affects high frequencies first. The hearing loss threshold linked to the underlying fluid buildup (endolymphatic hydrops) is generally greater than 40 decibels. Early in the disease, hearing often fluctuates, improving between attacks and worsening during them. Over time, the loss can spread to all frequencies and become permanent.
Because the fluctuation is a hallmark, your doctor may want to repeat the audiogram at different points, especially close to an attack, to catch the characteristic low-frequency dip.
Balance and Eye Movement Testing
Several tests evaluate how well your inner ear’s balance system is functioning. These don’t diagnose Meniere’s on their own, but they reveal damage or asymmetry between your two ears that supports the diagnosis.
Videonystagmography (VNG) tracks involuntary eye movements called nystagmus using infrared goggles. Your eyes naturally move in predictable ways when your balance system is stimulated. During VNG, you’ll follow visual targets, change head positions, and undergo caloric testing, where warm and cool air or water is directed into each ear canal one at a time. The temperature change stimulates the balance organ, and the test measures whether one ear responds significantly weaker than the other. In studies of Meniere’s patients, about 61% show reduced caloric responses on the affected side compared to the healthy ear, with a difference greater than 25%.
Video head impulse testing (vHIT) measures how quickly your eyes compensate when your head is turned rapidly. You wear lightweight goggles while the examiner makes quick, small head turns. The test calculates a “gain” value representing how well your vestibulo-ocular reflex keeps your vision stable. A gain of 0.8 or below suggests the inner ear on that side isn’t keeping up. This test is quick, painless, and particularly useful for tracking how the disease progresses over time.
Vestibular evoked myogenic potentials (VEMPs) use loud clicks or tones played through headphones to test two specific balance structures in the inner ear: the saccule and utricle. Sensors on your neck or under your eyes record muscle responses. In Meniere’s patients, these responses are often abnormal on the affected side, reflecting damage to the otolith organs that help you sense gravity and linear movement.
Electrocochleography
Electrocochleography (ECoG) measures electrical signals generated by the inner ear in response to sound. A small electrode is placed in or near the ear canal, and the test calculates the ratio between two specific electrical responses. A ratio above 0.4 is considered abnormal and thought to reflect the fluid buildup characteristic of Meniere’s.
The test sounds definitive, but its sensitivity is limited. Among patients with confirmed Meniere’s disease, only about 67% show an abnormal result. That means roughly one in three people with the disease will have a normal ECoG. Because of this, the test supports a diagnosis but can’t confirm or rule one out on its own.
MRI of the Inner Ear
A specialized MRI can now directly visualize the fluid buildup inside the inner ear. This requires a powerful 3-Tesla scanner and a contrast agent (gadolinium) given either intravenously or injected through the eardrum. The contrast seeps into one of the inner ear’s fluid compartments but not the other, making the swollen endolymphatic space visible on specific imaging sequences.
When the contrast is given intravenously, the scan is performed about 4 hours later. When injected through the eardrum, imaging happens roughly 24 hours afterward. Japanese diagnostic guidelines now include MRI-confirmed fluid buildup as an objective marker for “certain” Meniere’s disease, though this type of imaging isn’t yet standard at every medical center. It’s most commonly used when the diagnosis is uncertain or when a doctor needs to distinguish Meniere’s from vestibular migraine, since the fluid buildup pattern differs between the two conditions.
Blood Tests to Rule Out Mimics
No blood test can diagnose Meniere’s disease, but several are used to eliminate conditions that produce similar symptoms. Syphilis, both congenital and acquired, can mimic Meniere’s, so serological testing is done when there’s any clinical suspicion. Autoimmune conditions like rheumatoid arthritis, ankylosing spondylitis, and lupus increase the risk of Meniere’s-like symptoms by three to eight times, so autoimmune markers and thyroid function may also be checked. Some Meniere’s patients produce antibodies against specific proteins, but no single blood biomarker is sensitive or specific enough to confirm the disease.
Telling Meniere’s Apart From Vestibular Migraine
Vestibular migraine is the condition most commonly confused with Meniere’s, and distinguishing the two can be genuinely difficult, even for specialists. Both cause episodic vertigo and can involve ear symptoms. But there are patterns that help.
Meniere’s vertigo episodes typically last 20 minutes to several hours and are strongly associated with tinnitus (present in 72 to 98% of cases) and measurable hearing loss (54 to 100%). Vestibular migraine episodes are more variable in duration, lasting anywhere from seconds to days, and are more likely to be triggered or worsened by head movement, position changes, or visual motion. The most distinguishing feature of vestibular migraine is a history of moderate to severe headaches, reported by 65 to 76% of those patients compared to 0 to 28% of Meniere’s patients. A family history of migraine is also roughly twice as common in vestibular migraine (47 to 61%) versus Meniere’s (16 to 26%).
On MRI with contrast, Meniere’s patients typically show fluid buildup in both the balance and hearing portions of the inner ear, while vestibular migraine patients rarely show significant buildup, and when they do, it’s usually limited to the hearing portion alone. This imaging difference is becoming an increasingly useful diagnostic tool when the clinical picture is ambiguous.