What is orthostatic hypotension?

Apr 24, 2023 Source: Cainiu Health

Dr. Tian Hongbo

Introduction

Orthostatic hypotension may result from compression of nerves in the legs, leading to a noticeable drop in blood pressure, which can cause symptoms such as dizziness and general weakness. Patients with orthostatic hypotension often experience this condition due to aging of the vascular system or certain diseases that cause blood vessel atrophy. It is best to consult a doctor at a hospital for proper diagnosis and treatment.

Orthostatic hypotension may be caused by physiological factors, antihypertensive medications, or abnormalities in vascular function.

1. Physiological factors

Prolonged sitting or squatting can compress the leg nerves, causing numbness in the nerve tissues and insufficient blood supply to the brain. Upon standing, a noticeable sensation of weightlessness and a drop in blood pressure may occur, possibly leading to symptoms such as dizziness, vertigo, and general weakness. To prevent this, it is advisable to rise slowly from a seated position, take appropriate rest breaks, and maintain good blood circulation to ensure adequate blood perfusion.

2. Antihypertensive medications

In patients with unstable blood pressure who take medication long-term, drug components may not be fully metabolized and eliminated from the body, potentially resulting in orthostatic hypotension. Drinking plenty of water after taking medication can promote blood circulation, accelerate metabolism, aid in drug absorption, and help alleviate symptoms.

3. Vascular dysfunction

With aging, vascular function may deteriorate, or certain diseases may cause blood vessel atrophy, impairing normal blood distribution and leading to orthostatic hypotension. Under a doctor's guidance, medications such as isosorbide mononitrate or clopidogrel hydrogen sulfate tablets may be used to improve vascular abnormalities and reduce blood viscosity.

If symptoms of orthostatic hypotension occur, it is best to consult a physician at a hospital and follow medical advice for proper diagnosis and treatment.

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