Wounds and cuts heal faster if there is no pressure on them and if they are kept relatively motionless. Movement disrupts the formation of the new blood vessels. Bandages keep the wound clean, keep harmful bacteria out, and maintain moisture to prevent your skin from drying out. Bandages should be changed daily.
You must wait at least eight weeks (56 days) between donations of whole blood and 16 weeks (112 days) between Power Red donations. Platelet apheresis donors may give every 7 days up to 24 times per year. Regulations are different for those giving blood for themselves (autologous donors).
1 Double red cell donations take approximately 30 minutes longer than a whole blood donation and allow you to give two units of red cells. 2  Available in most donation centers and some blood drives.3  Donors are eligible to give double red cells every 112 days.4  Learn More about Double Red Cell Donations Â». This type of blood donation usually takes about an hour, though the actual donation takes about 8-10 minutes. 2  You are eligible to donate 'whole blood' every 56 days.