If your blood pressure is normal and you still feel dizzy, it means that dizziness is not caused by high blood pressure, but high blood pressure is only one of the possible causes of dizziness. The dizziness is obvious or aggravated when the body position changes, often accompanied by nausea, vomiting, panic, sweating and other autonomic reactions. 2, dizziness in the elderly is often related to insufficient blood supply to the brain, patients have hypertension, diabetes, hyperlipidemia and other underlying diseases, and most of the vascular ultrasound examinations can reveal atherosclerosis or plaque formation in the blood vessels of the neck, resulting in stenosis or occlusion, Tension headache can all cause symptoms similar to dizziness.