Dizziness and the risk of falling

Feeling unsteady is not an inevitable part of getting older. It is a failure of specific, measurable systems — and which one is failing determines what helps.

How common this is

In a national survey of US adults aged 40 and older, 35.4% — about 69 million people — had vestibular dysfunction detectable on a simple standing-balance test. The odds increased significantly with age and were 70% higher among people with diabetes. Among those who also reported dizziness, the odds of falling were twelve times higher.

Falls are the leading cause of injury and injury death among adults aged 65 and over. In 2020, 27.6% of that group — 14 million people — reported falling in the previous year, and in 2021 there were 38,742 deaths from unintentional falls, a rate of 78.0 per 100,000.

Three systems, and why it matters which one

Standing upright depends on three inputs. The inner ear reports head position and movement. The eyes report where the world is. Sensation from the feet and joints reports where the body is. Any one can fail, and the others compensate until they cannot.

Where it failsWhat it feels likeWhat helps
Inner earSpinning, especially with head movement or rolling over in bedPositional maneuvers, vestibular rehabilitation
Blood pressure controlGreying vision or lightheadedness on standing up, no spinningMedication review, hydration, autonomic management
Sensation from the feetWorse in the dark, worse on uneven ground, a sense of not knowing where the floor isFoot protection, lighting, gait aids, treating the driver
Central processingSlower recovery from a stumble, more falls without a clear triggerCognitive assessment and a broader evaluation
Which system is failing determines the intervention. Generic vestibular rehabilitation does not help an orthostatic problem.

The most common mis-attribution

Lightheadedness on standing gets called an inner-ear problem, sent for vestibular rehabilitation, and does not improve — because the cause is a blood pressure drop on standing, which is an autonomic problem with a completely different fix, frequently including a medication review.

This is why the balance battery is run alongside autonomic and orthostatic testing rather than on its own.

Cognition belongs in the same assessment

Attention, processing speed and executive function determine whether a postural correction happens in time. Screening balance without screening cognition describes half a risk, which is why the two are paired. Cognitive assessment and fall prevention.

Why measure before the first fall

Because the standard screening question is whether someone has fallen in the past year, which depends on recall and on willingness to admit it, and because measurable vestibular dysfunction is common well before anyone falls. A measurement identifies the risk while it is still preventable rather than after it has been demonstrated.

References

  • Agrawal Y, Carey JP, Della Santina CC, Schubert MC, Minor LB. Disorders of balance and vestibular function in US adults: data from the National Health and Nutrition Examination Survey, 2001–2004. Archives of Internal Medicine. 2009;169(10):938–944. doi:10.1001/archinternmed.2009.66
  • Kakara R, Bergen G, Burns E, Stevens M. Nonfatal and Fatal Falls Among Adults Aged ≥65 Years — United States, 2020–2021. MMWR Morbidity and Mortality Weekly Report. 2023;72(35):938–943. doi:10.15585/mmwr.mm7235a1

Related reading

Medically reviewed by Dr. Gurpreet Singh Padda, MD, MBA, MHP, medical director of Measura. Last reviewed .

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