Blood Donation Eligibility Checker
Answer a few questions to see if you are likely eligible to donate blood, temporarily deferred, or if you should check with a doctor first.
Disclaimer: This tool gives general guidance only and is not medical advice. Rules vary between blood banks and countries. Always confirm with your donation center or a qualified doctor before donating.
Leave blank if you have never donated.
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Details and wait periods
Common deferral rules
- Age: most blood services require donors to be 18 to 65 years old.
- Weight: at least 50 kg is usually required for whole blood donation.
- Time between donations: at least 12 weeks (84 days) for whole blood.
- Illness: you must be fully recovered and free of symptoms.
- Tattoos and piercings: commonly deferred for 6 months after the procedure.
- Malaria risk travel: commonly deferred for 12 months after return.
- Antibiotics: commonly deferred until at least 7 days after the last dose.