Drug interactions
Diflunisal + Zanubrutinib
Severity: Moderate
Diflunisal and Zanubrutinib: 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
Zanubrutinib impairs platelet function and can cause cytopenias and bleeding. Diflunisal inhibits platelet aggregation and can injure the gastric mucosa, so combined use raises bleeding risk.
What this interaction means in plain words
Diflunisal and Zanubrutinib 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.
Diflunisal belongs to Musculoskeletal; Zanubrutinib belongs to Oncology.
Why it happens
Additive impairment of platelet function (BTK inhibition and COX inhibition) with NSAID gastrointestinal mucosal injury.
What to do
Monitor for bleeding and blood counts, and use gastroprotection if an NSAID is necessary. Prefer paracetamol for analgesia where possible.
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 Diflunisal and Zanubrutinib, 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 Diflunisal
- Diflunisal + Ketorolac Contraindicated
- Diflunisal + Ketorolac intranasal Contraindicated
- Acemetacin + Diflunisal Major
- Acetazolamide + Diflunisal Major
- Alteplase + Diflunisal Major
- Amiloride + Diflunisal Major
Other interactions of Zanubrutinib
Frequently asked questions
Can I take Diflunisal with Zanubrutinib?
MediHelp rates the interaction as moderate. Diflunisal and Zanubrutinib 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. Zanubrutinib impairs platelet function and can cause cytopenias and bleeding. Diflunisal inhibits platelet aggregation and can injure the gastric mucosa, so combined use raises bleeding risk.
How serious is the interaction between Diflunisal and Zanubrutinib?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for bleeding and blood counts, and use gastroprotection if an NSAID is necessary. Prefer paracetamol for analgesia where possible.
What other medicines interact with Diflunisal?
MediHelp also lists interactions of Diflunisal with, for example, Ketorolac, Ketorolac intranasal, Acemetacin. The full list is on the Diflunisal 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.
