Drug interactions
Fondaparinux + Salicylates
Severity: Moderate
Fondaparinux and Salicylates: moderate 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
Non-aspirin salicylates have weaker platelet effects than aspirin but can still irritate the GI tract and raise bleeding risk modestly with an anticoagulant such as fondaparinux.
What this interaction means in plain words
Fondaparinux and Salicylates can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Additive: salicylate effects on platelets and GI mucosa plus anti-Xa anticoagulation.
What to do
Prefer paracetamol for analgesia where possible. If a salicylate is used, monitor for bleeding and hemoglobin.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Fondaparinux and Salicylates, 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
Frequently asked questions
Can I take Fondaparinux with Salicylates?
MediHelp rates the interaction as moderate. Fondaparinux and Salicylates can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Non-aspirin salicylates have weaker platelet effects than aspirin but can still irritate the GI tract and raise bleeding risk modestly with an anticoagulant such as fondaparinux.
How serious is the interaction between Fondaparinux and Salicylates?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Prefer paracetamol for analgesia where possible. If a salicylate is used, monitor for bleeding and hemoglobin.
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.
