Drug interactions
Argatroban + Piroxicam
Severity: Major
Argatroban and Piroxicam: major interaction.
Last updated Sources: US FDA label
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
Piroxicam inhibits platelet function and can injure the gastric mucosa, which adds to the bleeding risk of a parenteral direct thrombin inhibitor. Serious gastrointestinal or other bleeding may occur.
What this interaction means in plain words
Argatroban and Piroxicam 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.
Argatroban belongs to Cardiovascular; Piroxicam belongs to Musculoskeletal.
Why it happens
Additive hemostatic impairment: reversible platelet COX-1 inhibition plus direct thrombin inhibition, with NSAID mucosal injury.
What to do
Avoid NSAIDs during argatroban therapy where possible. If unavoidable, monitor aPTT, hemoglobin and for signs of bleeding.
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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References
Other interactions of Piroxicam
- Ketorolac intranasal + Piroxicam Contraindicated
- Ketorolac + Piroxicam Contraindicated
- Aceclofenac + Piroxicam Major
- Acemetacin + Piroxicam Major
- Acetylsalicylic acid + Piroxicam Major
- Alteplase + Piroxicam Major
Other interactions of Argatroban
- Argatroban + Defibrotide Contraindicated
- Argatroban + Ketorolac Contraindicated
- Argatroban + Mifepristone Contraindicated
- Abciximab + Argatroban Major
- Acalabrutinib + Argatroban Major
- Acetylsalicylic acid + Argatroban Major
Frequently asked questions
Can I take Argatroban with Piroxicam?
MediHelp rates the interaction as major. Argatroban and Piroxicam 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. Piroxicam inhibits platelet function and can injure the gastric mucosa, which adds to the bleeding risk of a parenteral direct thrombin inhibitor. Serious gastrointestinal or other bleeding may occur.
How serious is the interaction between Argatroban and Piroxicam?
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 NSAIDs during argatroban therapy where possible. If unavoidable, monitor aPTT, hemoglobin and for signs of bleeding.
What other medicines interact with Piroxicam?
MediHelp also lists interactions of Piroxicam with, for example, Ketorolac intranasal, Ketorolac, Aceclofenac. The full list is on the Piroxicam page.
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