Drug interactions
Aspirin / citric acid / sodium bicarbonate + Piroxicam
Severity: Major
Aspirin / citric acid / sodium bicarbonate 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
Effervescent aspirin delivers an analgesic or antiplatelet dose that, with piroxicam, raises the risk of gastrointestinal ulceration and bleeding. NSAIDs can also interfere with aspirin's antiplatelet effect.
What this interaction means in plain words
Aspirin / citric acid / sodium bicarbonate 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.
Why it happens
Additive COX inhibition and platelet dysfunction, with competition at the COX-1 site.
What to do
Avoid concurrent use where possible. If needed, add gastroprotection and monitor for 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
Frequently asked questions
Can I take Aspirin / citric acid / sodium bicarbonate with Piroxicam?
MediHelp rates the interaction as major. Aspirin / citric acid / sodium bicarbonate 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. Effervescent aspirin delivers an analgesic or antiplatelet dose that, with piroxicam, raises the risk of gastrointestinal ulceration and bleeding. NSAIDs can also interfere with aspirin's antiplatelet effect.
How serious is the interaction between Aspirin / citric acid / sodium bicarbonate 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 concurrent use where possible. If needed, add gastroprotection and monitor for 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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