Vestibular migraine takes a decade to diagnose because the criteria hunt for headache.
Most vestibular migraine attacks bring no headache, so clinicians who pattern-match migraine to head pain filter these patients straight into a years-long diagnostic odyssey.
The four specialists who weren't wrong
First it was the ENT, with the Epley maneuver and a BPPV workup that didn't hold. Then the audiologist, ruling out Ménière's after a hearing test came back clean. The cardiologist cleared you for the lightheadedness. Somewhere in year three a primary care doctor wrote down anxiety, because by then you were anxious, and the dizziness had no clean cause anyone could point to. Each of them ordered the right test for the question in front of them. None of them was looking at migraine, because there was no headache to find. If you are reading this, you have probably survived some version of this chain. You are not here to learn what vestibular migraine is. You are here because you already suspect it, and you want to understand how a recognized condition managed to stay invisible to four competent clinicians for the better part of a decade.
It is a criteria failure, not a diagnostic failure
Here is the thesis, and it matters because it changes who you should be angry at. The decade you lost was not produced by careless doctors. It was produced by the definition itself. Call it the No-Headache Filter. The diagnostic reflex most clinicians carry is 'migraine means head pain,' and that reflex is a filter: it passes through anyone whose dizziness arrives with a headache and quietly diverts everyone else to ENT, cardiology, or psychiatry. The filter works exactly as designed. The problem is what it is designed around. When the entry criterion a clinician carries in their head is the symptom your attacks don't produce, the system doesn't misread your case. It never opens your case in the first place.
Why 'migraine equals head pain' is the wrong default
The dominant framing treats headache as migraine's defining feature and everything else (the aura, the photophobia, the nausea, the vertigo) as accompaniment. For most migraine, that ordering is fine. For vestibular migraine, it is inverted. The vertigo is the attack. The head pain, when it shows up at all, is the optional part. A clinician working from the standard mental model isn't being lazy when they send your spinning to the inner-ear specialist first; they are following the highest-probability path for a dizzy patient who didn't lead with a headache. The default isn't malicious. It is just calibrated for the migraine population that announces itself with pain, and you are in the population that doesn't.
What the no-headache majority actually looks like
This is not an edge case. A substantial portion of vestibular migraine attacks arrive with no headache at all. Read that again, because it is the whole structural insight: if the majority of attacks have no head pain, then a criterion built around head pain doesn't catch a few unlucky patients, it filters out most of them. The cost of that filter is measured in years. One case documented in the medical literature ran about ten years before anyone named it migraine. Vestibular migraine is diagnosed with an average delay of 8.4 years after the first onset of migraine ([source](https://jdc.jefferson.edu/cgi/viewcontent.cgi?article=1282&context=neurologyfp)), and that case is recognizable precisely because it is ordinary: a clean BPPV workup, a Ménière's rule-out, a cardiac clearance, a psychiatric label, and a decade of appointments that were each individually reasonable and collectively a maze.
The pattern, walked through
Picture a single attack on a Tuesday. The room tilts when you turn your head. Light feels too loud. Your neck stiffens. You are unsteady on the stairs and queasy by lunch. There is no headache, so you don't think 'migraine,' and neither does anyone you describe it to. The attack fades over hours. But the next two days are the part nobody asks about: the fog, the residual sensitivity to light, the flattened mood, the sense that your head is wrapped in cotton. By your next appointment, weeks later, the whole episode has compressed in memory into 'I get dizzy sometimes,' and you describe it in the fifteen minutes you are given. The specialist hears an isolated dizzy spell with no migraine markers, and the filter does its work again. The attack that would have read as textbook vestibular migraine to a headache specialist, if its full arc had been visible, instead reads as one more unexplained vertigo episode.
What changes when the full attack is visible
If the thesis is right, the lever isn't a better doctor. It is a better record. The single most useful thing you can hand a headache specialist is not a description of your worst day; it is a longitudinal log that shows the shape of your attacks across months: how often the vertigo comes, what travels with it, how long the recovery tail runs, what was happening before each one. Pattern is what triggers recognition. A headache specialist looking at twenty logged episodes, most without headache, clustered around predictable triggers, with consistent two-day fog afterward, is looking at vestibular migraine on the page. The same patient describing 'I get dizzy sometimes' from memory in a short appointment is invisible to the filter. Continuous documentation doesn't diagnose you. It makes the pattern legible to the one clinician trained to read it, and it shortens the distance to that clinician.
Tracking the days the attack didn't end
Most tracking tools were built around the head-pain model too. They log a headache, ask you to rate it, and close the entry when the pain stops, which means a no-headache vestibular attack barely registers and the two-day fog after it doesn't register at all. We built Postdrome around the opposite assumption: that the attack is a continuous arc, vertigo and aura and the recovery days included, and that the days after a no-headache episode are data, not nothing. The timeline records the whole shape, including residual photophobia, neck stiffness, and brain fog in the postdrome window. It works when you can't see straight, which for this audience is not a hypothetical. The point isn't tracking for its own sake. It is walking into the appointment that finally goes right with a record that makes the pattern impossible for the filter to drop. Postdrome is one-time pricing, stated plainly, and the timeline lives on your device.
Build the record that makes your pattern legible. Track the whole attack, head pain or not, with Postdrome.
Postdrome was built around a continuous-attack model instead of the head-pain model most trackers inherit, which means a no-headache vestibular attack and the fog that follows it both get recorded rather than dropped. The timeline lives on your device, the pricing is one-time and stated up front, and the export is yours to hand a specialist.
