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Why Am I Dizzy? Common Causes and When to Seek Help

“Dizzy” can mean several very different sensations.

Dizziness can mean spinning, lightheadedness, imbalance, motion sensitivity, or a feeling that the floor is moving. Because the symptom is broad, the first step is identifying what the sensation feels like, when it occurs, what triggers it, and what other symptoms occur with it.

Spinning / vertigoLightheadednessOff-balanceMotion sensitivityUnsteadinessFloor-moving sensation

Common causes of dizziness

BPPVBrief spinning triggered by changes in head position.
Vestibular migraineDizziness or motion sensitivity associated with migraine mechanisms, sometimes without headache.
Inner-ear disordersConditions affecting vestibular function can produce vertigo, imbalance, or motion sensitivity.
Cardiovascular causesBlood-pressure or circulation changes can contribute to lightheadedness or faintness.
Medication effectsSome medications can contribute to dizziness, sedation, or imbalance.
Neurologic, visual & other causesDizziness may come from systems outside the inner ear, which is why history and testing matter.

How vestibular testing can help

A vestibular evaluation may include tests of eye movements, positional responses, balance function, and the vestibulo-ocular reflex. As part of the dizziness workup, a hearing test is also typically completed unless a comprehensive audiogram has already been performed within the past six months.

No single test can identify every cause of dizziness. Results are interpreted alongside the symptom history and may help determine whether the pattern suggests an inner-ear problem or whether additional medical evaluation is appropriate.

See what Balance Testing at Merit Hearing includes →

When dizziness is urgent

Seek urgent medical care for sudden severe dizziness accompanied by any of the following:

  • New weakness or facial droop
  • Difficulty speaking
  • Severe or unusual headache
  • Chest pain or fainting
  • Inability to walk
  • Other sudden neurologic symptoms

What to do next

If dizziness is recurring or affecting daily life, a structured evaluation can help narrow the cause. Merit Hearing’s educational guides can help you understand common vestibular conditions, while a clinical evaluation determines what applies to you.