Eligibility
Can You Donate Blood After Taking Medicine?
It depends on the medicine — here's the map.
Usually fine
Paracetamol, most BP tablets, thyroid replacement, statins, common vitamins and antacids generally don't defer you — declare them and let screening confirm.
Wait a bit
Antibiotics defer until the course is done and the infection resolved (typically 1–2 weeks); aspirin blocks platelet donation for 72 hours (whole blood is usually fine); vaccinations carry short, vaccine-specific waits.
Longer or permanent
Isotretinoin, certain immunosuppressants, and some specialist drugs defer for months or indefinitely — the screening desk keeps the authoritative list.
Frequently asked questions
Should I stop medicines to donate?
Never — no donation is worth destabilising your own treatment.
What should I bring?
A list or photo of your current prescriptions makes screening quick and accurate.