What causes blood pressure to fluctuate between high and low?
Blood pressure fluctuating suddenly high and low may result from physiological factors due to prolonged mental stress, or may be caused by pathological conditions such as secondary hypertension or resistant hypertension. Targeted treatment under a doctor's guidance is required. Specific analysis is as follows:
1. Physiological Causes
If an individual experiences significant work or life pressure and remains in a prolonged state of mental tension, large emotional fluctuations may lead to unstable blood pressure. However, such conditions can generally improve through timely adjustments to lifestyle, along with appropriate outdoor activities like hiking or郊游 (outings) to relieve stress.
2. Pathological Causes
1) Secondary Hypertension
When secondary hypertension is caused by conditions such as pheochromocytoma, excessive amounts of adrenaline may enter the bloodstream, leading to fluctuating blood pressure. It is recommended to follow medical advice and use medications such as prazosin, doxazosin, or phenoxybenzamine for treatment.
2) Resistant Hypertension
If primary hypertension is not treated promptly and progresses into resistant hypertension, blood pressure may remain uncontrolled over a long period, resulting in instability. Under a doctor’s supervision, antihypertensive therapy should be administered using medications such as losartan potassium tablets, captopril tablets, or labetalol hydrochloride tablets.
In addition, renal artery stenosis may also cause unstable blood pressure, requiring prompt medical attention and treatment.