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Dizziness has many possible causes, including inner ear disturbance, motion sickness and medication effects. Sometimes it's caused by an underlying health condition, such as poor circulation, infection or injury. The way dizziness makes you feel and your triggers provide clues for possible causes.
Some common causes of dizziness include hunger, fatigue, hypoglycemia (low blood sugar), or anxiety. Dizziness can also be caused by neurologic conditions, such as multiple sclerosis, Parkinsonâs disease, and epilepsy.abyrinthitis usually follows a cold or flu and is often caused by a viral infection of the inner ear. Serious causes of dizziness can include heart attack, stroke, or shock, all of which are severe, potentially life-threatening conditions that warrant immediate medical care.