Drug interactions
Aspirin / citric acid / sodium bicarbonate + Tolmetin
Severity: Major
Aspirin / citric acid / sodium bicarbonate and Tolmetin: 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
The aspirin component, taken with tolmetin, increases the risk of gastrointestinal ulceration and bleeding. Additive antiplatelet and renal effects can also occur.
What this interaction means in plain words
Aspirin / citric acid / sodium bicarbonate and Tolmetin 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 with platelet dysfunction and mucosal prostaglandin loss.
What to do
Avoid concurrent use where possible; if needed, add gastroprotection and monitor for bleeding and renal function.
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 Tolmetin
- Ketorolac intranasal + Tolmetin Contraindicated
- Ketorolac + Tolmetin Contraindicated
- Aceclofenac + Tolmetin Major
- Acemetacin + Tolmetin Major
- Alteplase + Tolmetin Major
- Amlodipine-hydrochlorothiazide-valsartan + Tolmetin Major
Frequently asked questions
Can I take Aspirin / citric acid / sodium bicarbonate with Tolmetin?
MediHelp rates the interaction as major. Aspirin / citric acid / sodium bicarbonate and Tolmetin 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. The aspirin component, taken with tolmetin, increases the risk of gastrointestinal ulceration and bleeding. Additive antiplatelet and renal effects can also occur.
How serious is the interaction between Aspirin / citric acid / sodium bicarbonate and Tolmetin?
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 and renal function.
What other medicines interact with Tolmetin?
MediHelp also lists interactions of Tolmetin with, for example, Ketorolac intranasal, Ketorolac, Aceclofenac. The full list is on the Tolmetin page.
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