Drug interactions
Aspirin / citric acid / sodium bicarbonate + Etodolac
Severity: Major
Aspirin / citric acid / sodium bicarbonate and Etodolac: 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 effervescent aspirin product delivers analgesic or antiplatelet-level aspirin, which combined with etodolac increases the risk of gastrointestinal ulceration and bleeding. Renal prostaglandin inhibition is also additive, and etodolac may reduce aspirin's antiplatelet benefit.
What this interaction means in plain words
Aspirin / citric acid / sodium bicarbonate and Etodolac 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 inhibition of prostaglandin-mediated gastric protection and platelet function, with possible competition at platelet COX-1.
What to do
Avoid concurrent use of two NSAIDs for analgesia; if aspirin is needed for cardioprotection, add a proton pump inhibitor and monitor for GI 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 Etodolac
- Etodolac + Ketorolac Contraindicated
- Etodolac + Ketorolac intranasal Contraindicated
- Aceclofenac + Etodolac Major
- Acemetacin + Etodolac Major
- Acetylsalicylic acid + Etodolac Major
- Alteplase + Etodolac Major
Frequently asked questions
Can I take Aspirin / citric acid / sodium bicarbonate with Etodolac?
MediHelp rates the interaction as major. Aspirin / citric acid / sodium bicarbonate and Etodolac 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 effervescent aspirin product delivers analgesic or antiplatelet-level aspirin, which combined with etodolac increases the risk of gastrointestinal ulceration and bleeding. Renal prostaglandin inhibition is also additive, and etodolac may reduce aspirin's antiplatelet benefit.
How serious is the interaction between Aspirin / citric acid / sodium bicarbonate and Etodolac?
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 of two NSAIDs for analgesia; if aspirin is needed for cardioprotection, add a proton pump inhibitor and monitor for GI bleeding and renal function.
What other medicines interact with Etodolac?
MediHelp also lists interactions of Etodolac with, for example, Ketorolac, Ketorolac intranasal, Aceclofenac. The full list is on the Etodolac page.
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