Drug interactions
Fondaparinux + Ibrutinib
Severity: Major
Fondaparinux and Ibrutinib: 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
Ibrutinib impairs platelet function and is associated with bleeding events, including serious hemorrhage. Adding an anticoagulant increases that risk further.
What this interaction means in plain words
Fondaparinux and Ibrutinib 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.
Fondaparinux belongs to Cardiovascular; Ibrutinib belongs to Oncology.
Why it happens
Ibrutinib inhibits BTK-dependent platelet signaling, adding to fondaparinux inhibition of factor Xa.
What to do
Avoid combining when possible, or monitor closely for bleeding with careful assessment of benefit. Ibrutinib labeling advises holding it around surgery.
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 Fondaparinux and Ibrutinib, 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 7 days on the web. No card needed.
Other interactions of Fondaparinux
- Defibrotide + Fondaparinux Contraindicated
- Fondaparinux + Ketorolac Contraindicated
- Abciximab + Fondaparinux Major
- Aceclofenac + Fondaparinux Major
- Acetylsalicylic acid + Fondaparinux Major
- Alteplase + Fondaparinux Major
Other interactions of Ibrutinib
- Abciximab + Ibrutinib Major
- Acetylsalicylic acid + Ibrutinib Major
- Alteplase + Ibrutinib Major
- Amobarbital + Ibrutinib Major
- Apalutamide + Ibrutinib Major
- Apixaban + Ibrutinib Major
Frequently asked questions
Can I take Fondaparinux with Ibrutinib?
MediHelp rates the interaction as major. Fondaparinux and Ibrutinib 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. Ibrutinib impairs platelet function and is associated with bleeding events, including serious hemorrhage. Adding an anticoagulant increases that risk further.
How serious is the interaction between Fondaparinux and Ibrutinib?
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 combining when possible, or monitor closely for bleeding with careful assessment of benefit. Ibrutinib labeling advises holding it around surgery.
What other medicines interact with Fondaparinux?
MediHelp also lists interactions of Fondaparinux with, for example, Defibrotide, Ketorolac, Abciximab. The full list is on the Fondaparinux 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.
