How often can I donate platelets

Platelets are an important component of blood and an important indicator of human health. If there is an abnormality in platelets, it can lead to many diseases. Of course, there are also many people who know how to help others and donate platelets regularly. However, donating platelets has both benefits and harms, and when donating platelets, you must not donate excessively. So, how often can platelets be donated?

1. How often should platelets be donated?

Generally speaking, it only takes 3 days for the body's platelet count to return to pre-donation levels after donating platelets. The state stipulates that the interval between donating machine-harvested platelets is generally 28 days. If it is more than 14 days and less than 28 days, the platelet count must reach 150,000/cubic millimeter. In addition, after donating blood, keep the needle hole clean to prevent infection at the puncture site. You can work and live normally, but do not participate in strenuous exercise. If there is cyanosis around the needle hole, it is because a small amount of blood has flowed out of the blood vessels. Don't be nervous. Apply hot compress and it will disappear in a few days.

2. Harms of donating platelets

During the blood donation process, blood donors may develop a syndrome characterized by a sharp drop in blood volume and autonomic nervous system dysfunction due to physiological or psychological factors. When blood volume is restored or psychological factors are eliminated, the body will return to normal. After donating blood, you may experience symptoms such as palpitations, dizziness, colds, and fever. These symptoms are particularly evident in people who are thin and have low immunity.

3. Benefits of donating platelets

The survival period of platelets in the body is eight or nine days. They can return to the level before blood collection within 48 hours after donation, which is shorter than the recovery time of donating whole blood. The interval between platelet donations is 4 weeks. Therefore, it will not affect the health of the donor, and the donor can continue to work and study normally.

Donating blood components can also help reduce the blood viscosity and cholesterol in the donor's body, thereby speeding up blood flow and increasing cerebral blood flow. People will feel relaxed, clear-headed, and quick to react, which has a positive effect on preventing cardiovascular and cerebrovascular diseases and arteriosclerosis.

Can promote human metabolism. Donating a moderate amount of platelets can stimulate the body's nervous regulation system, making the body's metabolism more vigorous and the body healthier.

It can help you understand your physical health condition. When blood donors donate platelets, blood stations will conduct strict physical examinations and tests. Therefore, every time a blood donor donates platelets, it is equivalent to a small free health check.