Kidney infections. Kidney infections (pyelonephritis) can occur when bacteria enter your kidneys from your bloodstream or move up from your ureters to your kidney(s). Signs and symptoms are often similar to bladder infections, though kidney infections are more likely to cause fever and flank pain.
Aspirin is fine to take if you are donating whole blood or double red cells.To be eligible to donate platelets, you cannot take any Aspirin, Ibuprofen or drugs with aspirin-like compounds for 48 hours before your donation.ed blood cells are the oxygen carrying cells. They can take two weeks or longer to fully return to normal. You can donate platelets (apheresis donation) every two weeks â up to 24 times in 12 months. Platelet and plasma components are regenerated in the body more quickly than red cells.
According to FDA regulations, you can donate plasma up to twice per week -- but not 2 days in a row. The American Red Cross has different stipulations, stating you can donate plasma every 28 days, up to 13 times per year. Check with your donation center regarding its requirements about frequency of plasma donation.