Don't delay your care at Mayo Clinic
Brain tumor, breast cancer, colon cancer, congenital heart disease, heart arrhythmia. See more conditions.
Whole blood donations
Platelet, double red cell or plasma donations
Most medications do not prevent you from donating blood.
Each whole blood donation may help as many as three people.
Mayo Clinic is a nonprofit organization and proceeds from Web advertising help support our mission. Mayo Clinic does not endorse any of the third party products and services advertised.
A single copy of these materials may be reprinted for noncommercial personal use only. "Mayo," "Mayo Clinic," "MayoClinic.org," "Mayo Clinic Healthy Living," and the triple-shield Mayo Clinic logo are trademarks of Mayo Foundation for Medical Education and Research.