Have you ever donated blood? Do you know what the consequences of donating too much blood are?

Donating too much blood can lead to shock coma and may also lead to weakened immunity, but there is a rule on the amount of blood you can donate at a time, and it is impossible for a doctor to let you donate too much blood at once.

The total blood volume of an adult is about 4000-5000 ml. The weight standard for blood donation is set at 50 kg for men and 45 kg for women. A person donates 200-400 ml of blood at a time, accounting for only 5%-10% of the total blood volume, plus the blood drawn out is the blood of the peripheral blood vessels, the human body will automatically release the blood originally stored in the spleen, liver and other internal organs into the blood vessels, maintain a constant blood volume, and the water and inorganic substances lost after blood donation will be replenished in 1-2 hours; Plasma protein, which can be replenished within a day or two; Platelets, white blood cells, and red blood cells also return to their original levels.

Therefore, blood donation will not affect the health of blood donors. <>

Healthy people donate blood according to regulations, and there will be no effect on the body. After donating blood, the body's hematopoietic tissue will automatically accelerate hematopoiesis, and it can generally return to the original level after half a month. Appropriate nutrition is increased to provide sufficient raw materials for blood production, and the focus of supplementation is on protein, iron, vitamin B12, folic acid, etc., which are needed for hematopoiesis.

Appropriate blood donation can effectively improve the internal environment of the human body, accelerate metabolism, reduce blood viscosity, reduce a part of the viscous blood in the body, and then replenish blood volume through normal drinking water, so that the blood is naturally diluted, blood lipids are reduced, and the hidden danger of arteriosclerosis can be reduced. Appropriate blood donation can discharge the amount of iron in the blood in time, which can effectively reduce the incidence of cancer, which is beneficial to both people and themselves. A comparison of 332 blood donors over the age of 66 with 399 non-blood donors showed that the survival rate of those who had donated blood was significantly higher than that of those who had not donated blood, and those who donated more blood had a longer survival age.

Donating too much blood can easily lead to a disorder in blood circulation. This results in a lack of oxygen to the brain. It may also increase the chance of infection.

May cause pallor and fatigue. Dizziness and shortness of breath are these symptoms. Therefore, when donating blood for the health of the body, it is best to control it within the range of 250 300, which is easier for the human body to bear.

Calorie and high-quality protein supplements are needed after blood donation.

Donation, blood donation can make the bone marrow hematopoietic system continue to be stimulated, the proportion of blood cells increases, blood viscosity can be reduced, if dizziness and nausea are generally considered to be caused by low blood sugar after blood donation, but generally donate blood to a regular medical institution to donate blood to avoid infection.

Donated blood. It may cause dizziness, want to sleep, and pass out, so you need to rest for a while and drink some water to recover.

No, I know that donating too much blood will affect your health and make your body very weak, so we must pay attention.

No, if you donate a lot of blood, it is easy to have low blood sugar, and it is very likely that you will faint directly on the spot.

If you have donated, there is no difference before and after donating blood, and there may be different reactions from person to person. Of course, it's not that you can give it if you want to, many people don't meet the conditions and won't ask you to give it at all.

I donate blood for free.

China's blood donation law stipulates that 200 to 400 ml of blood can be donated at a time, and the computer system of the blood bank is automatically controlled, and excessive blood donation is not allowed.

If you avoid computer control and sell blood across regions, resulting in excessive blood loss, people will feel dizzy, palpitation, cold sweat, fatigue, dry mouth, etc., followed by fainting, cold limbs ......

It is safe to donate blood according to the regulations.

Dizziness, general malaise, and white lips are all the symptoms of anemia anyway, and they generally need to be well conditioned to recover.

You can drink a few bowls of salt water before donating blood, which can dilute the blood, and you are not afraid to donate more blood.

I didn't understand the provisions of the national blood donation law.

Donate up to 400 ml of blood.

Is regular blood donation good or bad for the body? These truths, the doctor Huai Wang Qiao is not a lead key will definitely tell Ling Song to you.