Vestibular migraine is the leading cause of spontaneous episodic vertigo — yet most patients are never diagnosed. Dr. Anand Karnam explains this under-recognised migraine variant and how it is treated.
Key Points
- Vestibular migraine is the most common cause of recurrent episodic vertigo in adults — more common than BPPV.
- Vertigo episodes last 5 minutes to 72 hours — often without headache, making diagnosis challenging.
- Migraine triggers (sleep deprivation, stress, dietary) reliably reproduce vestibular migraine episodes.
- Treatment follows migraine protocols — triptans for acute attacks, preventive medication for frequent episodes.
- Diagnosis requires the presence of migrainous symptoms (light/sound sensitivity, visual aura) with at least 5 vestibular episodes.
1%
of the general population has vestibular migraine — more common than BPPV in adults
Source: NCBI
5 min–72 hrs
vestibular migraine attack duration range — enormous variability
Source: ICHD-3
70%
of vestibular migraine patients improve with migraine preventive therapy
Source: AAN
"Most middle-aged women with recurrent dizziness who've been told they have 'inner ear disease' actually have vestibular migraine. It is the most underdiagnosed cause of recurrent vertigo. Once identified, standard migraine prevention dramatically reduces attacks."
Vestibular migraine (VM) is currently the most common cause of recurrent spontaneous vertigo in adults — yet it remains largely undiagnosed because the dizziness occurs without headache in approximately 30% of episodes, leading patients to seek care from ENT rather than neurology, and to be misdiagnosed with Menière's disease, BPPV, or "labyrinthitis." VM is a migraine variant where the brain's migraine process activates the vestibular system, producing vertigo as the dominant symptom.
Diagnostic Criteria
According to the International Classification of Headache Disorders (ICHD-3): at least 5 episodes of vestibular symptoms of moderate or severe intensity; a current or past history of migraine (with or without aura); at least 50% of VM episodes associated with at least one of: headache, photophobia, phonophobia, or visual aura; episodes lasting 5 minutes to 72 hours; no better explanation from another diagnosis.
Clinical Features
Episodes: spontaneous vertigo (room spinning without positional trigger), positional vertigo (mimicking BPPV), or head-motion-induced dizziness. Duration varies enormously — from minutes to days. Associated features during or around the episode: photophobia and phonophobia; visual aura (flickering lights, zigzag lines); headache (often mild — overshadowed by the vertigo); increased sensitivity to motion. Common triggers: the same triggers as migraine — sleep disruption, stress, menstruation, certain foods, bright lights, and weather changes.
How to Distinguish from Menière's Disease
Menière's: hearing loss (low frequency, fluctuating), ear fullness, and tinnitus in the same ear as the vertigo. VM: typically no hearing involvement; positive migraine history; visual sensitivity during attacks. A detailed history of migraine features and triggers is the key. Treatment of VM: acute attacks with vestibular suppressants (cinnarizine, ondansetron); prevention with standard migraine preventives — propranolol, amitriptyline, topiramate, or the CGRP antibodies. 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.Vestibular Migraine — NCBI StatPearls — NCBI StatPearls
- 2.Migraine and Vertigo — American Migraine Foundation — American Migraine Foundation
- 3.Headache Disorders — WHO — World Health Organization
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