Drug interactions
Factor ix complex + Tranexamic acid
Severity: Major
Factor ix complex 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
Tranexamic acid inhibits fibrinolysis while factor IX complex concentrates contain procoagulant factors. Combined use may increase thrombotic risk, including thromboembolism and disseminated intravascular coagulation.
What this interaction means in plain words
Factor ix complex 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 effects from antifibrinolysis plus replacement of procoagulant factors.
What to do
Avoid combined use where possible and monitor for thrombosis if unavoidable, using the lowest effective doses and a time separation if recommended in labeling.
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?
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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 complex with Tranexamic acid?
MediHelp rates the interaction as major. Factor ix complex 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. Tranexamic acid inhibits fibrinolysis while factor IX complex concentrates contain procoagulant factors. Combined use may increase thrombotic risk, including thromboembolism and disseminated intravascular coagulation.
How serious is the interaction between Factor ix complex 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 combined use where possible and monitor for thrombosis if unavoidable, using the lowest effective doses and a time separation if recommended in labeling.
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.
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