How long do you have to wait after donating blood to do it again?!
Question:
How long do you have to wait after donating blood to do it again?
I donated blood about two months ago and there's going to be a blood drive around here again. Can I give blood now or do I have to wait longer?
Answers:
For whole blood, it's 56 days [ 8 weeks ].
For plasma, it's 2 weeks.