Drug interactions
Etodolac + Naproxen
Severity: Major
Etodolac and Naproxen: 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
Two NSAIDs given together offer no added analgesic benefit but increase the risk of gastrointestinal bleeding, renal injury and cardiovascular events. This is therapeutic duplication.
What this interaction means in plain words
Etodolac and Naproxen 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.
Etodolac belongs to Musculoskeletal; Naproxen belongs to Musculoskeletal.
Why it happens
Additive inhibition of cyclooxygenase leading to additive gastrointestinal, renal and platelet effects.
What to do
Avoid concurrent use of two systemic NSAIDs; use a single agent at the lowest effective dose.
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 Naproxen
- Ketorolac intranasal + Naproxen Contraindicated
- Ketorolac + Naproxen Contraindicated
- Aceclofenac + Naproxen Major
- Acemetacin + Naproxen Major
- Acetylsalicylic acid + Naproxen Major
- Alteplase + Naproxen Major
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 Etodolac with Naproxen?
MediHelp rates the interaction as major. Etodolac and Naproxen 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. Two NSAIDs given together offer no added analgesic benefit but increase the risk of gastrointestinal bleeding, renal injury and cardiovascular events. This is therapeutic duplication.
How serious is the interaction between Etodolac and Naproxen?
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 systemic NSAIDs; use a single agent at the lowest effective dose.
What other medicines interact with Naproxen?
MediHelp also lists interactions of Naproxen with, for example, Ketorolac intranasal, Ketorolac, Aceclofenac. The full list is on the Naproxen page.
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