Reference Source

Drugs and alcohol — can I give blood? (Canadian Blood Services)

What is the waiting period for Drugs and alcohol — can I give blood? (Canadian Blood Services)?

For Drugs and alcohol, waiting period is must not be impaired at the time of donation; condition is so we can obtain informed consent; outcome is temporary deferral; blood service is Canadian Blood Services, recorded from its source on 2026-08-06.

Donors must not be impaired at the time of donation so we can obtain informed consent.

blood.ca, retrieved 2026-08-06

must not be impaired at the time of donation
How long you must wait before donating (or the age/weight bound), exactly as this blood service prints it — the passage it comes from is quoted on the record page. National services genuinely disagree on the same criterion; check the service you would donate with.
Sourceblood.ca
Verified
Review by
DatasetBlood donor deferral criteria compared across national blood services
Criterion
Drugs and alcohol
Blood service
Canadian Blood Services our reading
Waiting period
must not be impaired at the time of donation verified
Condition
so we can obtain informed consent verified
Outcome
temporary deferral our reading

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.

Can I give blood if…?Find how long you have to wait before donating — and which blood service says so.