Most people with vertigo are told 'it's an ear problem' and sent home. But vertigo can be a symptom of stroke, brain tumour, or dangerous brainstem disease. Dr. Anand Karnam explains when vertigo is serious.
Key Points
- The biggest lie: all vertigo is 'inner ear' and will go away on its own without treatment.
- BPPV (the most common type) requires the Epley manoeuvre — not just waiting or anti-vertigo tablets.
- Tablets (cinnarizine, betahistine) suppress symptoms but do not treat the underlying cause.
- Posterior circulation stroke presenting as vertigo is missed in 35% of first A&E visits.
- A proper vestibular assessment distinguishes benign peripheral vertigo from dangerous central causes.
35%
of posterior fossa strokes presenting as vertigo are initially misdiagnosed
Source: AHA
90%
BPPV cure rate with single Epley manoeuvre — takes 5 minutes
Source: Cochrane
12 weeks
average time patients wait with untreated BPPV before seeking specialist assessment
Source: NCBI
"The greatest disservice I see is patients given anti-vertigo tablets for months without diagnosis. BPPV is cured in 5 minutes with the right manoeuvre. Vestibular neuritis recovers faster with vestibular rehabilitation. Treating 'vertigo' as a diagnosis rather than a symptom is the lie I'm trying to correct."
The word "vertigo" has been reduced in popular understanding to mean "dizziness from the ear." Patients are told to take betahistine, do the Epley manoeuvre, and wait. For BPPV (benign paroxysmal positional vertigo) — the most common cause — this is entirely appropriate. But a significant minority of patients with vertigo have central causes — from the brain and brainstem — that require urgent neurological evaluation. Missing a posterior fossa stroke because it was labelled "just an ear problem" is a preventable tragedy.
Peripheral Vertigo (Ear/Vestibular Origin) — Usually Benign
BPPV: Triggered by head position changes — rolling over in bed, looking up, bending down. Brief (under 60 seconds per episode). Horizontal or upbeat-torsional nystagmus on the Dix-Hallpike test. Treated by Epley manoeuvre. No hearing loss, no neurological symptoms.
Vestibular neuritis: Sudden severe vertigo lasting days with gradual resolution over weeks. Often follows a viral illness. Persistent horizontal nystagmus, no hearing loss. Treated with vestibular suppressants acutely and vestibular rehabilitation exercises.
Menière's disease: Episodes lasting 20 minutes to several hours. Accompanied by low-frequency hearing loss, ear fullness, and tinnitus. Fluctuating.
Central Vertigo (Brain/Brainstem) — Potentially Serious
Central vertigo comes from the cerebellum and brainstem — and can be caused by stroke, TIA, multiple sclerosis, or posterior fossa tumours. The key distinguishing features:
| Feature | Peripheral (ear) | Central (brain) |
|---|---|---|
| Onset | Acute, often positional | Sudden (stroke) or gradual |
| Nystagmus direction | Unidirectional, reduces with fixation | Direction-changing, persists with fixation |
| Hearing loss | Possible (Menière's) | Rarely |
| Other neurology | None | Double vision, facial numbness, dysarthria, limb ataxia |
| HINTS exam | Negative | Positive — any one of: abnormal head impulse test, direction-changing nystagmus, skew deviation |
The HINTS Exam — More Sensitive Than MRI in the First 24 Hours
The HINTS (Head Impulse, Nystagmus, Test of Skew) bedside examination, performed by a trained clinician, has greater sensitivity for posterior fossa stroke than MRI DWI in the first 24–48 hours (when early infarcts are MRI-negative). A normal HINTS exam in a patient with acute continuous vertigo strongly suggests a central cause and requires urgent further evaluation.
For vertigo assessment and central vs peripheral differentiation: Sri Anand CNC, Chanda Nagar, Hyderabad. Call +91 90633 66983.
Dr. Anand Karnam
DrNB Neurology · Sri Anand CNC, Chanda Nagar Hyderabad · Sri Anand Child and Neuro Center
DrNB-qualified Neurologist, Fellow of the World Headache Society (FWHS), and Headache Specialist with 12+ years of experience treating epilepsy, stroke, migraine, and movement disorders. Practices at Sri Anand Child and Neuro Center, Chanda Nagar, Hyderabad.
References & Sources
- 1.Dizziness — NCBI StatPearls — NCBI StatPearls
- 2.BPPV — NCBI StatPearls — NCBI StatPearls
- 3.Dizziness and Vertigo — NIH MedlinePlus — NIH MedlinePlus
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