The Most Common Cause of Vertigo Explained
You roll over in bed and suddenly the room starts spinning.
You grab the mattress because it feels like you’re moving, even though you’re perfectly still. Within a few seconds, the spinning settles down, but you’re left feeling nauseated, unsteady, and wondering what just happened.
If this sounds familiar, you may have Benign Paroxysmal Positional Vertigo (BPPV), the most common cause of vertigo. Every year, thousands of people experience these brief but intense episodes of dizziness, often without understanding why they occur or where to turn for answers.
Although the sensation can be frightening, BPPV is usually caused by a small mechanical problem inside the inner ear rather than a serious neurological disease. The good news is that when correctly diagnosed, it can often be treated successfully using specific repositioning maneuvers tailored to the affected part of the inner ear.
At BeWell Chiropractic in Tigard, OR, we take a neurology-based, functional approach to dizziness and balance disorders. Rather than assuming every patient with vertigo has the same condition, we evaluate the vestibular system, eye movements, balance, cervical spine, and nervous system to determine exactly why you’re experiencing dizziness. Understanding the underlying cause allows us to recommend the most appropriate treatment and, when necessary, identify conditions that require additional medical evaluation.
Whether your symptoms began after rolling over in bed, following a concussion or whiplash injury, or seemingly out of nowhere, understanding what causes BPPV is the first step toward restoring confidence in your movement and getting back to your normal routine.
What BPPV Means
The name Benign Paroxysmal Positional Vertigo sounds complicated, but each word describes an important part of the condition.
Benign means the condition is not life-threatening. While the spinning sensation can be dramatic, BPPV itself is not considered a dangerous disease. That said, the symptoms can increase the risk of falls and significantly affect your quality of life.
Paroxysmal means the symptoms occur suddenly and in brief episodes. Most people notice that the spinning lasts only a few seconds, although they may continue to feel slightly off balance afterward.
Positional means the symptoms are triggered by changes in head position. Rolling over in bed, lying down, sitting up, bending forward, looking overhead, or turning quickly are among the most common movements that provoke vertigo.
Vertigo is more than feeling lightheaded or dizzy. Vertigo is the false sensation that you or your surroundings are moving or spinning when no actual movement is taking place.
Together, these four words describe a condition that causes brief episodes of spinning dizziness triggered by changes in head position due to a problem within the inner ear.
Causes of BPPV
To understand BPPV, it helps to know a little about how your inner ear maintains balance.
Deep inside each inner ear are tiny calcium carbonate crystals called otoconia. These microscopic crystals normally rest within structures called the utricle and saccule, where they help detect gravity and straight-line movement. Every time you walk, accelerate, stop suddenly, or tilt your head, these crystals contribute important information that helps your brain understand your body’s position in space.
Problems begin when some of these crystals become dislodged.
Instead of remaining in the utricle where they belong, the loose crystals can migrate into one of the fluid-filled semicircular canals. These canals are designed to detect rotational movements of the head—not to contain free-floating crystals.
When you change the position of your head, the misplaced crystals move through the fluid inside the affected canal. Their movement stimulates sensitive balance receptors, sending an inaccurate message to the brain that your head is rotating far more than it actually is.
At the same time, your eyes are telling your brain that the room is perfectly still, and the muscles and joints throughout your body report that you are standing or sitting without moving.
Your brain suddenly receives three different messages:
- Your inner ear says you’re spinning.
- Your eyes say you’re perfectly still.
- Your muscles and joints say your body hasn’t moved.
Because these systems no longer agree, your brain interprets the conflicting information as motion, producing the intense sensation that the room is spinning around you.
This mismatch between the balance system, vision, and body awareness is what creates the characteristic vertigo experienced with BPPV.
Why the Room Feels Like It’s Spinning
Your balance depends on three major systems working together.
The vestibular system inside your inner ears detects head movement and position.
Your visual system provides information about your surroundings and whether the environment appears stable or moving.
Your proprioceptive system, made up of muscles, joints, and connective tissues throughout your body, tells your brain where your arms, legs, neck, and spine are positioned.
Under normal circumstances, these three systems provide matching information. Your brain combines these signals to create a stable sense of balance and orientation.
With BPPV, however, the loose crystals inside the inner ear create false signals that conflict with what your eyes and body are reporting. Your brain interprets this sensory mismatch as movement, even though you are completely still.
This is why the room appears to spin.
It also explains why many people instinctively grab onto a wall or piece of furniture during an episode. Although the spinning usually lasts less than a minute, it can feel much longer because the sensation is so intense.
Many patients also experience nausea, sweating, or a lingering feeling of imbalance after the spinning stops. This occurs because the brain needs time to process and recover from the conflicting sensory information.
Understanding this process can be reassuring. While the sensation is unsettling, it is the result of incorrect balance signals rather than your surroundings actually moving.
Common Symptoms of BPPV
Although every person experiences dizziness a little differently, BPPV tends to produce a recognizable pattern of symptoms.
Common symptoms include:
- Sudden spinning when rolling over in bed
- Vertigo when lying down or sitting up
- Dizziness while looking upward
- Spinning when bending over to pick something up
- Brief episodes lasting a few seconds to about one minute
- Nausea during or immediately after the episode
- Motion sensitivity
- Feeling off balance after the spinning stops
- A sensation of being pulled toward one side
- Mild unsteadiness while walking
Many people notice that they feel completely normal until they move their head into one specific position that triggers another episode. Because the symptoms are positional, patients often begin avoiding certain movements out of fear that the spinning will return.
One important feature of BPPV is that it usually does not cause constant dizziness all day long. Instead, symptoms are typically brief and closely linked to particular head movements. If dizziness is persistent, unrelated to movement, or accompanied by other neurological symptoms, another condition may be responsible and should be evaluated.
The Affected Ear
Many people are surprised to learn that BPPV can affect either the right or left inner ear. Even more importantly, it can involve different parts of the balance system within the affected ear.
Each inner ear contains three semicircular canals that work together to detect rotational movements of the head:
- Posterior semicircular canal – the most commonly affected canal
- Horizontal (lateral) semicircular canal – the second most common
- Anterior (superior) semicircular canal – the least common
Each canal is positioned at a different angle, allowing your brain to detect movement in multiple directions. When loose crystals enter one of these canals, they interfere with the normal movement of fluid inside the canal, causing false signals to be sent to the brain.
Because each canal senses movement differently, the symptoms and eye movements produced by BPPV vary depending on which canal is involved.
Determining the affected canal is one of the most important parts of diagnosing BPPV because treatment is based on where the crystals are located, not simply on the presence of dizziness.
Canalithiasis vs. Cupulolithiasis
Not all BPPV behaves the same way.
Most cases involve a condition called canalithiasis, in which the loose calcium crystals float freely within one of the semicircular canals. As your head moves, the crystals drift through the fluid inside the canal before gradually settling. This typically causes a brief burst of vertigo lasting less than a minute.
A less common form is called cupulolithiasis. Instead of floating freely, the crystals become attached to a sensory structure within the canal called the cupula. Because the crystals remain attached, they continue to stimulate the balance receptors for a longer period of time. As a result, dizziness and abnormal eye movements may persist as long as the head remains in the provoking position.
Although both conditions involve displaced crystals, they often require different treatment strategies. Identifying which form is present helps guide the choice of repositioning maneuver and can explain why one patient improves after a single treatment while another requires additional care.
Not Every Case of BPPV Is Treated the Same
One of the biggest misconceptions about vertigo is that every patient should perform the Epley maneuver.
The Epley maneuver has become well known because it is highly effective for many cases of posterior canal BPPV, which is the most common type of positional vertigo.
However, not every patient has posterior canal BPPV.
If the loose crystals are located in the horizontal canal, anterior canal, or are attached to the cupula rather than floating freely, the Epley maneuver may not resolve the problem. In some cases, using the wrong maneuver may temporarily worsen symptoms or simply fail to produce improvement.
This is one reason why many people say, “I tried the Epley maneuver, but it didn’t work.”
Often, the issue isn’t that repositioning maneuvers are ineffective. The problem is that the wrong maneuver was performed because the specific type of BPPV was never identified.
Different forms of BPPV require different repositioning procedures, and successful treatment begins with an accurate diagnosis.
How BPPV is Diagnosed
Diagnosing BPPV begins with listening carefully to your history.
Your healthcare provider will ask questions about when the dizziness started, which movements trigger the spinning sensation, how long the episodes last, whether nausea is present, and whether you’ve experienced recent head injuries, concussions, ear infections, or other neurological symptoms.
The next step is a series of positional tests designed to reproduce your symptoms in a safe and controlled manner.
During these tests, your head and body are gently moved into specific positions while the clinician closely observes your eyes.
Although patients often focus on whether they feel dizzy, clinicians are watching for something even more important—nystagmus.
What Is Nystagmus?
Nystagmus is an involuntary movement of the eyes that occurs when the balance system sends abnormal signals to the brain.
While you may simply feel like the room is spinning, your eyes often reveal exactly what is happening inside the inner ear.
The direction, timing, speed, and duration of the eye movements provide valuable diagnostic information.
By carefully observing nystagmus, it is often possible to determine:
- Which ear is affected
- Which semicircular canal contains the displaced crystals
- Whether the crystals are floating freely or attached to the cupula
- Which repositioning maneuver is most appropriate
- Whether another condition may be causing the dizziness instead of BPPV
In many ways, the eyes act as a window into the balance system.
This is why a careful examination is so important. The goal isn’t simply to make you dizzy. The goal is to gather information that leads to the correct diagnosis and the most effective treatment.
Why the Epley Maneuver Doesn’t Always Work
Many patients arrive at our office after watching online videos demonstrating the Epley maneuver. Some have tried it several times without success. Others experienced temporary improvement only to have the dizziness return a few days later.
There are several reasons this can happen.
The most common reason is that the dizziness isn’t caused by posterior canal BPPV. If the crystals are located in a different semicircular canal, a different repositioning maneuver is usually required.
Another possibility is that the crystals are attached to the cupula rather than floating freely. In these cases, treatment may require additional techniques before the crystals can be successfully repositioned.
Sometimes the diagnosis isn’t BPPV at all.
Conditions such as vestibular neuritis, concussion-related vestibular dysfunction, cervicogenic dizziness, vestibular migraine, and certain neurological disorders can all produce symptoms that resemble positional vertigo. Although these conditions may cause dizziness, they require completely different treatment approaches.
Finally, some people have more than one condition contributing to their symptoms. For example, a patient recovering from a concussion may also develop BPPV after the injury. Successfully treating the BPPV may improve the spinning sensation, but additional rehabilitation may still be needed to address balance, vision, or nervous system dysfunction.
The key message is simple: successful treatment depends on an accurate diagnosis. Before choosing a maneuver, it’s important to determine exactly what is causing the dizziness in the first place.
Can Something Other Than BPPV Cause Dizziness?
Yes. Although BPPV is the most common cause of vertigo, it is not the only reason someone may experience dizziness, imbalance, or a sensation that the world is moving around them.
Dizziness is a complex symptom because balance depends on several systems working together, including the inner ear, eyes, muscles and joints, cervical spine, and nervous system. When one or more of these systems are not functioning properly, the brain may have difficulty creating a stable sense of movement and balance.
Other conditions can produce symptoms that feel similar to BPPV. These may include vestibular neuritis, labyrinthitis, vestibular migraine, cervicogenic dizziness related to the neck, concussion and traumatic brain injury, whiplash-associated disorders, medication effects, changes in blood pressure, visual system problems, and other neurological conditions.
Because each of these conditions requires a different approach, an accurate diagnosis is essential. Treating every episode of dizziness as if it is BPPV can delay appropriate care if another system is contributing to the symptoms.
At BeWell Chiropractic, our goal is not simply to identify that someone is dizzy. Our goal is to understand why they are dizzy by evaluating the systems involved in balance, movement, and nervous system function.
How BPPV is Treated
The goal of BPPV treatment is to guide the displaced crystals back to the area of the inner ear where they belong so they no longer create false signals of movement.
This is accomplished through specific canal repositioning maneuvers. These carefully controlled movements use gravity and changes in head position to move the crystals out of the affected semicircular canal and return them to their proper location.
The correct maneuver depends on the specific type of BPPV present. Treatment must be based on identifying which ear is involved, which semicircular canal contains the displaced crystals, and whether the crystals are freely moving within the canal or attached to the sensory structures.
Some patients experience significant improvement after a single treatment. Others may require additional visits, especially when symptoms have been present for an extended period of time, when multiple canals are involved, or when another balance problem is contributing to the dizziness.
In some cases, patients also benefit from additional rehabilitation designed to help the brain better process balance information. This may include balance exercises, eye movement training, gaze stabilization activities, cervical spine treatment when appropriate, and functional neurological rehabilitation.
The most important part of treatment is matching the approach to the actual cause of the dizziness. A successful outcome begins with an accurate evaluation.
BPPV Can Come Back
Yes, BPPV can return after successful treatment.
Some people experience only one episode during their lifetime, while others may have symptoms that return months or years later. Recurrence is not unusual, and it does not necessarily mean that the original treatment failed.
BPPV may be more likely to recur in people who have experienced previous episodes, head injuries, concussions, whiplash injuries, vestibular disorders, or certain migraine patterns. Age-related changes in the inner ear may also contribute to an increased likelihood of recurrence.
Some research has also suggested that low vitamin D levels may be associated with a higher risk of recurrent BPPV in certain individuals.
The good news is that recurring BPPV can often be successfully managed once the affected canal and underlying pattern are correctly identified.
What Should You Do During a BPPV Episode?
If you experience a sudden spinning sensation, the first priority is safety.
Sit down or lie still until the spinning decreases. Avoid walking without support, driving, climbing ladders, or performing activities that require precise balance while symptoms are active.
Many people become fearful of moving their head after experiencing vertigo. While it is understandable to want to avoid triggering symptoms, prolonged avoidance of movement can sometimes contribute to increased sensitivity and reduced confidence with activity.
If your symptoms are consistent with previous episodes of BPPV, a proper evaluation can help determine whether repositioning treatment is appropriate.
However, not all dizziness is caused by BPPV.
Seek immediate medical attention if dizziness occurs along with symptoms such as difficulty speaking, double vision, sudden weakness, numbness, loss of consciousness, severe headache, chest pain, or difficulty walking that does not improve. These symptoms may indicate a more serious medical condition requiring urgent evaluation.
Frequently Asked Questions About BPPV
Is BPPV dangerous?
BPPV itself is generally considered a benign condition and is not usually life-threatening. However, the sudden spinning sensation can significantly affect daily activities and may increase the risk of falls, particularly in older adults or anyone experiencing severe balance disruption.
Can BPPV go away on its own?
Sometimes. In some cases, the displaced crystals naturally move back into their normal location over time. However, symptoms can persist for weeks or longer, and many people experience faster improvement when the specific type of BPPV is correctly identified and treated.
Can stress cause BPPV?
Stress does not directly cause the crystals inside the inner ear to become displaced. However, stress can influence how strongly dizziness is perceived and may contribute to increased anxiety, motion sensitivity, and difficulty recovering from balance disturbances.
Can BPPV happen after a concussion or whiplash injury?
Yes. A sudden impact to the head, neck, or body can create forces that dislodge the tiny calcium crystals within the inner ear. This is one reason dizziness is a common symptom following concussions and whiplash injuries.
In some cases, BPPV may be one piece of a larger post-injury picture involving the eyes, neck, balance system, and nervous system.
Why do I still feel off balance after the spinning stops?
Even after the crystals have been successfully repositioned, the brain may need time to recalibrate and adapt to normal balance signals again.
Some people continue to experience imbalance because their nervous system has become more sensitive after repeated episodes of dizziness, injury, or prolonged avoidance of movement. In these situations, balance rehabilitation and targeted exercises may help restore confidence and improve function.
Functional BPPV Evaluation in Tigard, OR
You don’t have to keep avoiding rolling over in bed, looking up, bending down, or worrying about when the next spinning episode will happen.
Living with dizziness can affect much more than your balance. It can interfere with your ability to work, exercise, drive, enjoy recreational activities, and participate fully in everyday life. Many people begin changing how they move because they are afraid of triggering another episode.
The first step toward improving dizziness is understanding what is actually causing it.
At BeWell Chiropractic in Tigard, OR, we take a neurology-based, functional approach to evaluating dizziness and vertigo. Rather than assuming every dizzy patient has the same problem, we assess the vestibular system, eye movements, balance, cervical spine, and nervous system to identify the factors contributing to your symptoms.
A careful history, detailed examination, and evaluation of eye movements help determine whether your dizziness is related to BPPV, another vestibular disorder, the cervical spine, post-injury changes, or another factor affecting balance and nervous system function.
If BPPV is identified, treatment is tailored to the specific ear and semicircular canal involved. Because different forms of BPPV require different repositioning strategies, identifying the exact cause is an important part of successful care.
If your dizziness is coming from another source, we explain our findings and develop an individualized plan focused on improving movement, restoring balance, and helping your nervous system better process information.
Our goal is not simply to make the dizziness disappear temporarily. Our goal is to help you regain confidence in your movement, return to the activities you enjoy, and stop living in fear of the next spinning episode.
If you’re searching for BPPV treatment in Tigard, OR, or looking for answers about vertigo, dizziness, and balance problems, BeWell Chiropractic is here to help.
Contact BeWell Chiropractic today to schedule a comprehensive functional dizziness evaluation and take the first step toward understanding the cause of your symptoms and getting back to living with confidence.
