Can donating blood lower blood pressure?

Blood donation is an activity that takes place everywhere. It is a public welfare cause. Regular blood donation is very beneficial to the body as it can replace the blood in the body. However, blood donation cannot lower blood pressure and has nothing to do with blood pressure values. Blood pressure is only determined by the quality of one's own body. Make sure that the blood pressure is stable before blood drawing. Avoid other diseases and physical discomfort caused by blood donation.

Hypertension does not mean “too much blood”, but rather that blood vessels are diseased. The pressure that blood exerts on the blood vessel walls when it flows from the heart through blood vessels to all parts of the body is called blood pressure. For some people, blood cannot flow easily through the body. Diseases cause the blood vessels to narrow, and the blood pressure increases to ensure blood flow. In this way, the arterial blood pressure exceeds the normal value and forms hypertension.

Then why are patients with hypertension so cautious when donating blood? Mainly because they are afraid of dangerous factors appearing in the blood donation process. Because when hypertensive patients donate blood, the coronary arteries of the heart are prone to spasm, which may cause temporary ischemia and lead to angina pectoris. In addition, patients with hypertension often have dyslipidemia and often have blood flow or vascular abnormalities. After donating blood, blood pressure drops and blood flow slows down, which can cause thrombosis and make myocardial infarction more likely to occur.

Sometimes, although the blood pressure of hypertensive patients is controlled within the normal range, the abnormal regulation state of the blood vessels themselves has not changed, and the blood pressure fluctuations caused by blood donation can also cause danger. If a patient with hypertension really needs to donate blood, he or she must do so under the supervision of medical staff so that any abnormal conditions can be dealt with in a timely manner.

However, it is worth encouraging healthy friends to donate blood. Donating blood in moderation can reduce blood viscosity and prevent various diseases. Modern people suffer from overnutrition, fat accumulation and obesity. Especially for middle-aged people who engage in non-physical labor, they rarely exercise and do not pay attention to adjusting their diet, which is particularly prone to increased blood viscosity, atherosclerosis, and inducing diseases. Donating blood can reduce all components in the blood, lower blood viscosity, and speed up blood flow, which is beneficial to your health.

Precautions

You need to be cautious when donating blood, after all, your health comes first.