Drug interactions
Factor ix recombinant + Tranexamic acid
Severity: Major
Factor ix recombinant and Tranexamic acid: major interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Factor IX replacement promotes clotting, and tranexamic acid blocks fibrinolysis, so together they may increase the risk of thrombosis. Concern is greatest with prothrombin complex products and high doses, and less with purified recombinant factor IX.
What this interaction means in plain words
Factor ix recombinant and Tranexamic acid can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive prothrombotic effect of clotting factor replacement and antifibrinolytic inhibition of clot breakdown.
What to do
Avoid concurrent use where possible, or separate dosing and monitor closely for thrombosis. Reserve combination use for specialist-directed hemophilia care.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Factor ix recombinant and Tranexamic acid, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Tranexamic acid
- Dienogest / estradiol valerate + Tranexamic acid Contraindicated
- Ethinyl estradiol-drospirenone + Tranexamic acid Contraindicated
- Ethinyl estradiol-levonorgestrel + Tranexamic acid Contraindicated
- Ethinyl estradiol-norgestimate + Tranexamic acid Contraindicated
- Ethinylestradiol + Tranexamic acid Contraindicated
- Mestranol + Tranexamic acid Contraindicated
Frequently asked questions
Can I take Factor ix recombinant with Tranexamic acid?
MediHelp rates the interaction as major. Factor ix recombinant and Tranexamic acid can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Factor IX replacement promotes clotting, and tranexamic acid blocks fibrinolysis, so together they may increase the risk of thrombosis. Concern is greatest with prothrombin complex products and high doses, and less with purified recombinant factor IX.
How serious is the interaction between Factor ix recombinant and Tranexamic acid?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent use where possible, or separate dosing and monitor closely for thrombosis. Reserve combination use for specialist-directed hemophilia care.
What other medicines interact with Tranexamic acid?
MediHelp also lists interactions of Tranexamic acid with, for example, Dienogest / estradiol valerate, Ethinyl estradiol-drospirenone, Ethinyl estradiol-levonorgestrel. The full list is on the Tranexamic acid page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
