Question: how high does blood pressure have to be to cause dizziness?
Answer: According to Feitosa-Filho 18, the hypertensive crisis is a clinical condition characterized by a sudden increase in blood pressure (to ≥180/120 mmHg) accompanied by symptoms that may be mild (headache, dizziness, and tinnitus) or severe (dyspnea, chest pain, coma, and even death) with or without acute lesion of a ...