When Dizziness Isn't BPPV: The Causes a Good Assessment Rules Out

BPPV gets most of the attention in the world of dizziness, and deservedly so. It is the most common cause of vertigo and one of the most satisfying things to treat, because a simple repositioning manoeuvre can resolve it quickly. But the most important skill in assessing a dizzy patient is not performing that manoeuvre. It is knowing when the problem is, and is not, BPPV in the first place.

BPPV, briefly

Benign paroxysmal positional vertigo happens when tiny crystals in the inner ear become dislodged into one of the balance canals, sending false signals when you move your head into certain positions. The result is brief, intense spinning triggered by specific movements, rolling over in bed, looking up, tipping the head back, typically lasting seconds to under a minute. When it is genuinely BPPV, the repositioning manoeuvres we describe in our piece on vestibular rehab for BPPV and the Epley maneuver can be remarkably effective.

The trap is assuming all dizziness fits this pattern. It does not.

The other causes of dizziness

Dizziness is a symptom, not a diagnosis, and it has many possible sources. A thorough assessment considers, among others:

• Other inner-ear conditions, which can cause more constant dizziness, dizziness with hearing changes, or longer-lasting episodes that do not fit the brief, positional pattern of BPPV.
• Neck-related dizziness, where neck dysfunction disrupts the balance information the neck normally provides, producing a sense of unsteadiness. This cervicogenic dizziness is common after whiplash, as we describe in our guide to dizziness after whiplash, and it sits within the broader category of positional dizziness and balance problems we assess.
• Blood-pressure changes, such as feeling lightheaded on standing.
• Medication effects, which can cause or contribute to dizziness.
• Central causes, less commonly, involving the brain rather than the inner ear or neck.

Each of these is treated differently. Repositioning manoeuvres that resolve BPPV do nothing for neck-driven dizziness or a blood-pressure cause, which is why getting the diagnosis right comes before any treatment.

How the patterns differ

The behaviour of the dizziness is the most useful clue, which is why a careful history matters so much.

BPPV produces brief, intense spinning triggered by specific head movements and lasting under a minute. Constant dizziness points elsewhere. Dizziness accompanied by hearing changes or ear fullness suggests an inner-ear condition other than BPPV. Dizziness clearly tied to neck movement and travelling with neck pain points toward a cervicogenic cause. Dizziness with neurological symptoms is a different category entirely and the most important one to recognize.

A vestibular assessment uses this history alongside specific tests of eye movement, balance, and position to sort out which pattern you fit. The positional tests for BPPV, in particular, can confirm or rule it out directly.

The red flags that need a doctor

Most dizziness is not dangerous, but certain features signal a possible central cause or another serious condition and need urgent medical attention rather than vestibular rehab. Seek immediate care for dizziness accompanied by:

• A sudden, severe headache.
• Double vision.
• Slurred speech.
• Weakness or numbness.
• Difficulty walking or severe imbalance.
• New hearing loss.
• Fainting.

Screening for these is a core part of any responsible vestibular assessment. A thorough evaluation does two things: it confirms and treats the common, benign causes, and it recognizes the uncommon serious ones so they can be directed to the right care promptly.

Why the assessment is the skill

It is tempting to think of vestibular care as a set of manoeuvres. In reality, the manoeuvres are the easy part. The skill is the assessment: taking a detailed history of how the dizziness behaves, testing eye movement and balance, performing the specific positional tests, screening the neck, and checking for red flags. From all of that, we identify the cause, treat what is treatable, BPPV or cervicogenic dizziness, and refer onward when the picture points to something needing medical attention.

That sorting is what protects people. It means BPPV gets fixed quickly, neck-driven dizziness gets the right neck-focused treatment, and the rare serious cause gets sent to a physician rather than treated with a manoeuvre that was never going to help.

When to get it assessed

If you are dizzy and unsure why, an assessment identifies the cause and gives you the right treatment, often resolving BPPV quickly or directing neck-related dizziness to the right plan. If your dizziness comes with any of the red-flag features above, seek urgent medical care first.

Book a 30-minute appointment and we will assess your dizziness thoroughly, treat what we can, and make sure anything needing a physician gets there.

This article is general information about dizziness and vertigo. It is not personal medical advice. The red-flag features described require urgent medical assessment. A regulated practitioner can confirm whether the patterns described apply to you.

Sources

• Bhattacharyya et al., Clinical Practice Guideline: Benign Paroxysmal Positional Vertigo (Update), Otolaryngology–Head and Neck Surgery (2017)
• Kerber & Baloh, The evaluation of a patient with dizziness, Neurology Clinical Practice (2011)
• College of Physical Therapists of BC (CPTBC)

This article is for general information only and does not constitute medical advice, diagnosis, or treatment. Individual presentations vary, and assessment findings and treatment plans differ from person to person. If you are experiencing severe symptoms, neurological changes (numbness, weakness, bowel or bladder changes), or a significant trauma, contact your physician or emergency services. Care at Medstar Sport Physio & Health is provided by practitioners registered with their respective British Columbia regulatory colleges.