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

For Tuberculosis, blood service is American Red Cross (US); waiting period is until treatment is successfully completed; condition is if you have active tuberculosis or are being treated for active tuberculosis; acceptable if positive skin test but no active TB and not taking antibiotics; outcome is temporary deferral, recorded from its source on 2026-08-06.

- **Criterion:** Tuberculosis _(verified: appears in the quote below)_
- **Blood service:** American Red Cross (US) _(our reading, not quoted from the source)_
- **Waiting period:** until treatment is successfully completed
- **Condition:** if you have active tuberculosis or are being treated for active tuberculosis; acceptable if positive skin test but no active TB and not taking antibiotics _(verified: appears in the quote below)_
- **Outcome:** temporary deferral _(our reading, not quoted from the source)_

## What the source says

> If you have active tuberculosis or are being treated for active tuberculosis you can not donate. Acceptable if you have a positive skin test or blood test, but no active tuberculosis and are NOT taking antibiotics.

## Source

- https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html

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/).