High low pressure may cause head symptoms such as dizziness, cardiothoracic symptoms such as palpitations and general symptoms such as generalized weakness. 1. Head symptoms: High blood pressure may cause dizziness, head swelling, headache, tinnitus and other head symptoms, in which case, rest in a quiet environment and keep your mood relaxed. 2. Cardiothoracic symptoms: high blood pressure may cause palpitations, chest tightness, even chest pain and other cardiothoracic symptoms, in this case, bed rest, discomfort symptoms are obvious to consult a doctor in a timely manner. 3. Systemic symptoms: high low pressure may cause weakness or tenderness of the limbs, generalized sweating and other systemic symptoms. This situation is more serious, and should seek immediate medical attention. High low pressure refers to diastolic blood pressure in the clinic, low pressure high to a certain standard is also high blood pressure, not only high systolic blood pressure is high blood pressure, the normal standard blood pressure in the range of 140/90mmHg-90/60mmHg, the low pressure of normal value more than 90mmHg has reached the standard of high blood pressure disease. In daily life, pay attention to monitor the blood pressure situation. If you experience dizziness and other symptoms of low blood pressure as mentioned above, you must pay attention to it and seek medical advice promptly.