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Summary. 1  Generally, most dizziness is caused by problems of the inner ear and is treatable. 2  Common causes of inner ear dizziness include benign paroxysmal positional vertigo (BPPV), migraine and inflammation of the inner ear balance apparatus called vestibular neuritis.
There are many possible causes for dizziness, some are: 1  Nausea and vomiting. 2  Anemia. 3  Dehydration. Medications to control high blood pressure or heart rate.  Problems with the balance mechanism in your inner 1  ear. Low blood pressure when you stand up (orthostatic hypotension)