What causes dizziness?

There are many conditions which can affect your balance including an ear infection, head injury, a side effect of medication (for example some antidepressants), cardiac (heart) conditions and low/high blood pressure. They are sometimes grouped in to the following categories:
  • Peripheral vestibular disorder: a disturbance in the labyrinth (inner ear)
  • Central vestibular disorder: a problem in the brain or its connecting nerves
  • Systemic disorder: a problem of the body except the head and brain
  • Vascular disorder or blood flow problems

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