You must wait a minimum of 56 days between whole blood donations. You must wait at least 7 days after donating blood before you can donate platelets. After an automated double red cell collection, you must wait 112 days before donating again.
How many weeks do you have to wait to donate blood?
Since there are different blood products that you can potentially donate, there are different criteria for how often you can donate. You must wait at least eight weeks (56 days) between donations of whole blood.
How long does blood stay good for after donation?
Donated, bagged blood is stored in special refrigerators that are monitored 24/7/365 to make sure the temperature of the blood never gets too cold or too hot. The blood is treated with an anti-coagulant so it doesn’t form clots in storage. A typical unit of blood is refrigerated for 42 days, then discarded if not used or frozen for later use.
When not to donate blood?
Avoid donating blood if you have a cold, a cold sore, a cough, a virus, or an upset stomach. Certain prescribed medications, such as antibiotics, can make you ineligible to donate blood. You must weigh at least 110 pounds or 50 kg.
How much blood do they take when you donate it?
The standard amount of blood taken when a person gives a blood donation is 1 pint. This is approximately one-tenth of the blood in the body and is a safe amount of blood to lose.
How long do you have to wait to donate blood?
If you donate whole blood, you need to wait 56 days between donations — possibly longer, depending on the policy of your blood bank. If you’re donating platelets, the American Red Cross allows people to do this every 7 days, up to 24 times in a year.
Can you get blood work after donating blood?
You can get blood work done anytime after you donate blood. When you donate, you would normally donate one pint of blood. Most lab tests can be done with less than 2cc of blood. One pint = 473.2cc so you can see lab tests don’t take much.
How often should you donate blood?
Plasma-only donations can typically be done once every 28 days, up to 13 times a year. Most people can donate whole blood every 56 days. This is the most common type of blood donation. Most people can donate red blood cells every 112 days.
How long does it take to donate platelets?
You will have some time to relax while the bag is filling. (For a whole blood donation, it is about 8-10 minutes. If you are donating platelets, red cells or plasma by apheresis the collection can take up to 2 hours.) When approximately a pint of blood has been collected, the donation is complete and a staff person will place a bandage on your arm.