Before donating blood, pay attention to the day before to keep enough sleep, don't eat too greasy, don't have an empty stomach and so on,After donating blood, pay attention to the eye of the needle a short period of time don't dip in water, don't lift heavy objects, don't do strenuous exercise, timely supplementation of nutrients, etc., as follows:

One, Before donating blood

The day before donating blood to ensure adequate sleep. Maintain your daily habits, and do not do prolonged strenuous exercise.

Don't donate blood on an empty stomach, eat a light diet, don't eat high-fat or high-protein foods, such as fatty meat, fish, doughnuts, etc., and don't drink alcohol; before donating blood, you should clean your arm, especially the elbow part of the blood collection site.

In addition, when donating blood, you should carry your ID card or other valid identification documents.

Second, after donating blood

After donating blood, you should press the eye of the needle for about 10 minutes or use an elastic bandage to press it for about 20 minutes, to prevent subcutaneous bleeding; keep the eye of the needle dry and clean, and don't dip it in water within 4 hours, to avoid infection; and don't lift any heavy objects on the arm within 24 hours of donating blood.

No strenuous exercise within 1-2 days after blood donation, drink more water, appropriate supplement some vitamin C and iron content of food, lean meat, eggs, pig liver, soy products and vegetables, fruits, etc.; if there is blood seepage at the needle eye, redness and swelling, cold compress within 24 hours, hot compress after 24 hours, usually 7 to 10 days will disappear.

Individuals, dizziness and other discomforts occur within a few hours after donating blood, please squat, sit or lie down on the spot to avoid accidental injury.

Expanded Information

Blood Donation Volume and Interval Between Donations

From the volume of blood donated, whole blood is 200-400 milliliters at a time; for single platelet collection, 1-2 therapeutic volumes per time or 1 therapeutic volume and not more than 200 ml of plasma, the total amount of platelets and plasma for the year does not exceed 10 liters.

From the point of view of blood donation interval, the interval between two times of whole blood is not less than 6 months. For single platelet, the interval between two times is not less than 2 weeks and not more than 24 times/year. For special matching needs, approved by a doctor, the minimum interval is not less than 1 week.

The interval between donating single platelets first and whole blood later is not less than 4 weeks. The interval between whole blood donation and platelet donation is not less than 3 months.

People's Daily News - Focus on World Blood Donation Day: These tips on blood donation need to be mastered