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Anyone who is at least 16 years old (with parental consent form available HERE), weighs at least 110 pounds and who is in good health may give blood every 56 days.
Certain medications and/or medical conditions may prevent someone from donating blood temporarily or in some cases, permanently.
We have provided below information on some of the more common conditions and medications and whether they impact the ability to give blood. For travel-related information on blood donation, please refer to our Travel Guidelines for Blood Donors.
If you have any questions about your eligibility as a donor, feel free to contact us directly at 800-280-5337.
| Donor Eligibility Information | |
|---|---|
| Allergy, diuretics, diet medications | can donate |
| Antibiotics, injectable | 14-day deferral |
| Antibiotics, oral for acne (non-penicillin derived) | can donate |
| Antibiotics, oral for infection | Eligible the day after your last dose and free from illness |
| Blood Pressure Medication | can donate |
| Cancer | contact CBCO |
| Colds and flu | cannot donate |
| COVID-19 vaccine | can donate – no deferral period |
| Diabetes, controlled | can donate |
| Flu Vaccine | can donate |
| Hepatitis B Vaccination | 4-week deferral |
| Malaria | 3-year deferral, after last symptoms |
| Measles, Mumps, Rubella Vaccination | 4-week deferral |
| Menstruation | can donate |
| Piercing, using single-use equipment in licensed facility | can donate |
| Pregnancy | six week deferral after delivery, miscarriage, or abortion |
| Surgery, without transfusion | can donate after release from physician’s care |
| Surgery, with transfusion | Three month deferral |
| Tattoo, in licensed facility in MO, KS, AR (check with CBCO for info on other states) |
can donate |
| Tranquilizers, over-the-counter pain relievers | can donate |
| Travel for more than 24 hours to area endemic for malaria | Three month deferral after return |
| Refer to our Travel Guidelines document for more information | |