# Medications — Blood donor deferral criteria compared across national blood services

For Medications, blood service is Canadian Blood Services; waiting period is no waiting period; condition is most medications do not prevent you from donating blood, plasma and platelets; outcome is accept, recorded from its source on 2026-08-06.

- **Criterion:** Medications _(verified: appears in the quote below)_
- **Blood service:** Canadian Blood Services _(our reading, not quoted from the source)_
- **Waiting period:** no waiting period
- **Condition:** most medications do not prevent you from donating blood, plasma and platelets _(verified: appears in the quote below)_
- **Outcome:** accept _(our reading, not quoted from the source)_

## What the source says

> Most medications do not prevent you from donating blood, plasma and platelets.

## Source

- https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations

Last verified: 2026-08-06. Review by: 2027-02-02.
Part of [Blood donor deferral criteria compared across national blood services](https://referencesource.org/blood-donor-deferral-criteria/).