Be symptom free of flu for 7 days, symptom free of colds the day of donation. 4 Be off oral antibiotics for 3 days and injected antibiotics for 7 days. Wait 12 months after a tattoo. Wait 8 weeks between donations. Donating blood is safe, simple, and saves lives.
Many people still think they can catch infectious diseases from donating blood.
This is simply not possible. Blood can be used in several different ways. It can be separated into several components, including plasma for shock, burn and accident patients, platelets for leukemia and other cancer patients, and red blood cells for surgical patients.