2 months: Red blood cells take 6 to 8 weeks to replenish. There are many other components of blood that replenish sooner such as plasma. However, most donation centers do not allow repeated donation sooner than 8 week. After donation it is advised to hold off on strenuous activity for a few days. If you get lightheaded or dizzy, then rest is advised and you should see your physician for evaluation.
Answered 3/13/2019
6.2k views
56 days & 3 days: You may donate blood every 56 days. You should wait at least 3 days prior to strenuous exertion / heavy lifting...Particularly at 50+ to be safe.
Answered 9/12/2013
4.9k views
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A doctor has provided 1 answer
A doctor has provided 1 answer
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