If you’ve ever rolled over in bed and had the room suddenly spin, or felt the floor tilt when you looked up to a high shelf, you’re not alone and you’re not imagining it. Dizziness is one of the most common reasons people see a GP, and for a large proportion of them, the cause sits in the inner ear rather than the brain. Research on dizziness in primary care puts the proportion of cases linked to benign paroxysmal positional vertigo, or BPPV, as high as 17–42% of people presenting with dizziness to a clinic making it one of the single most common causes of vertigo we see.
The good news: BPPV is also one of the most treatable causes of dizziness. It usually isn’t managed with medication or “waiting it out” , it’s managed with hands-on, evidence-based physiotherapy, often resolving in one to three sessions.
What is BPPV, really?
Deep inside your inner ear sit tiny calcium carbonate crystals (otoconia) that normally help your brain sense gravity and head position. In BPPV, some of these crystals become dislodged from their usual location and drift into one of the fluid-filled semicircular canals that detect rotation. When you move your head into certain positions like rolling over in bed, looking up, bending down to tie a shoe, those loose crystals shift and send your brain a false signal that you’re spinning, even though you’re not.
The result is a short, sharp burst of vertigo usually lasting seconds to a couple of minutes, triggered by a specific head movement. It can come with nausea, a feeling of unsteadiness afterwards, or brief flickering of your vision.
BPPV is more common than most people realise. It affects women roughly three times as often as men, and the lifetime risk of experiencing it is estimated at around 2.4%. It becomes more common as we get older, largely because the structures in the inner ear degenerate naturally with age although head knocks, migraine, and inner ear infections can also trigger it at any age.
Why “just resting” doesn’t fix it
BPPV is a mechanical problem: crystals sitting where they shouldn’t be, so it needs a mechanical solution. Left alone, many cases do eventually settle on their own, but this can take weeks to months, during which the risk of falls, missed work, and anxiety around movement climbs steadily. Recurrence is also common: studies suggest around 15% of people experience a recurrence within a year, and up to half within five years, which is exactly why an accurate diagnosis matters so you (and we) know what you’re dealing with if it happens again.
How we diagnose and treat it
At your assessment, we use a test called the Dix-Hallpike manoeuvre — a specific, carefully controlled positioning test that reproduces the vertigo and lets us watch the characteristic eye movements (nystagmus) that confirm which inner ear canal the crystals are sitting in.
Once we know that, treatment is a canalith repositioning technique, most commonly the Epley manoeuvre: a sequence of gentle head and body positions, each held for around 20–30 seconds, that uses gravity to guide the crystals back to where they belong. It’s performed in clinic, it isn’t painful, and current evidence supports it as the first-line treatment for posterior canal BPPV, with most people needing only one to three sessions.
When dizziness is more than BPPV — know your red flags
Not all dizziness is BPPV, and it’s important to know the difference, because some causes of sudden dizziness need urgent medical attention, not a physio appointment. Call 000 or go straight to your nearest emergency department if dizziness comes with:
- Sudden slurred speech, facial drooping, or weakness/numbness on one side of the body
- Sudden severe headache unlike any you’ve had before
- Double vision, difficulty swallowing, or loss of coordination
- Chest pain, palpitations, or fainting
These can be signs of stroke or a cardiac event, and time matters. If none of these apply and your dizziness is specifically triggered by changing head position — rolling over, looking up, lying back — BPPV is a strong possibility, and it’s very treatable.
Q&A: Your dizziness questions answered
Q: I get dizzy when I stand up quickly — is that BPPV? Not usually. Dizziness on standing is more often related to a drop in blood pressure (orthostatic hypotension) rather than a positional inner-ear issue. BPPV is specifically triggered by head position changes like rolling over or looking up, regardless of whether you’re lying, sitting, or standing at the time. If you’re getting light-headed on standing, that’s worth mentioning to your GP as well as to us.
Q: Can I do the Epley manoeuvre myself at home from a YouTube video? Self-treatment versions exist, but they rely on you already knowing which ear and which canal is affected — information that normally comes from a proper Dix-Hallpike assessment. Getting the direction wrong can make the manoeuvre ineffective or, in rarer cases, move crystals into a different canal. We’d always recommend an initial assessment with a physiotherapist trained in vestibular treatment before self-managing.
Q: How many sessions will I need? Most straightforward cases of posterior canal BPPV resolve within one to three treatment sessions. Some people need a follow-up Dix-Hallpike to confirm the crystals have fully cleared, and a small number have a more complex variant that takes longer to settle.
Q: Will it come back? It can — recurrence is relatively common, particularly in people over 60. That’s not a sign anything went wrong with treatment; it’s simply the nature of the condition. Knowing what BPPV feels like and having it accurately diagnosed the first time makes it much quicker to treat if it recurs.
Q: Is BPPV linked to falls? Yes — vertigo and imbalance are recognised risk factors for falls, particularly in older adults, which is exactly why we treat it promptly rather than leaving people to “manage around it.”
Ready to stop guessing what’s causing your dizziness?
If you’ve been putting up with dizzy spells, avoiding certain movements, or feeling unsteady more than you used to, don’t wait for it to become a bigger problem. Book a vestibular assessment with Marie (in our Cabarita clinic) this month — most people are surprised how quickly it can be resolved.
Written by Melissa Macdonald, Physiotherapist, Pottsville & Cabarita Physiotherapy. This article is general information and does not replace individualised medical advice — if you have red-flag symptoms listed above, seek emergency care immediately.