From the databaseWhat the row says.
Every entry follows the same shape: what is happening, the mechanism, and the recommendation.
Scope
Supplement × Prescription
Last verified
June 4, 2026
CautionEmerging evidence
What is happening. Ginkgo may increase bleeding tendency and could compound bleeding risk if azathioprine causes thrombocytopenia.
Mechanism. Potential antiplatelet effects plus myelosuppression-related thrombocytopenia.
Recommendation. Avoid or monitor closely if platelet counts are low or bleeding occurs.
Stack Score
How it moves the number.
Effect on the composite score
If both Azathioprine and Ginkgo Biloba are in the same stack, this pair applies −5 to your Stack Score (per scored caution row).
The full algorithm, the clamping rules, and four worked stacks are at /methodology/stack-score.
SourcesSources, by evidence tier.
Every claim on this page is cited. PMIDs link straight to PubMed.
Reference material
1- 1U.S. National Library of Medicine. Imuran Azathioprine Tablets US Prescribing Information. 2026.Needs sourceNo link