Drug interactions
Ketorolac + Zanubrutinib
Severity: Major
Ketorolac and Zanubrutinib: 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
Zanubrutinib impairs platelet function and can cause cytopenias, and it carries a recognized risk of bleeding. Ketorolac adds strong antiplatelet activity and gastrointestinal mucosal injury, increasing the chance of serious hemorrhage.
What this interaction means in plain words
Ketorolac and Zanubrutinib 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.
Ketorolac belongs to Musculoskeletal; Zanubrutinib belongs to Oncology.
Why it happens
Additive impairment of platelet function (BTK inhibition plus COX-1 inhibition) with NSAID-related gastrointestinal mucosal damage.
What to do
Avoid ketorolac in patients on zanubrutinib and use a non-NSAID analgesic. If unavoidable, monitor for bleeding and check blood counts.
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 Ketorolac
- Aceclofenac + Ketorolac Contraindicated
- Acemetacin + Ketorolac Contraindicated
- Acetylsalicylic acid + Ketorolac Contraindicated
- Apixaban + Ketorolac Contraindicated
- Argatroban + Ketorolac Contraindicated
- Aspirin / citric acid / sodium bicarbonate + Ketorolac Contraindicated
Other interactions of Zanubrutinib
Frequently asked questions
Can I take Ketorolac with Zanubrutinib?
MediHelp rates the interaction as major. Ketorolac and Zanubrutinib 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. Zanubrutinib impairs platelet function and can cause cytopenias, and it carries a recognized risk of bleeding. Ketorolac adds strong antiplatelet activity and gastrointestinal mucosal injury, increasing the chance of serious hemorrhage.
How serious is the interaction between Ketorolac and Zanubrutinib?
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 ketorolac in patients on zanubrutinib and use a non-NSAID analgesic. If unavoidable, monitor for bleeding and check blood counts.
What other medicines interact with Ketorolac?
MediHelp also lists interactions of Ketorolac with, for example, Aceclofenac, Acemetacin, Acetylsalicylic acid. The full list is on the Ketorolac page.
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