Drug interactions
Diflunisal + Sodium picosulfate / magnesium oxide / anhydrous citric acid
Severity: Moderate
Diflunisal and Sodium picosulfate / magnesium oxide / anhydrous citric acid: moderate interaction.
Last updated
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
Bowel preparations cause fluid loss and electrolyte shifts, and NSAIDs reduce renal blood flow. Together they can raise the risk of acute kidney injury, especially in dehydrated or older patients.
What this interaction means in plain words
Diflunisal and Sodium picosulfate / magnesium oxide / anhydrous citric acid can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Volume depletion from catharsis combined with NSAID inhibition of renal prostaglandins reduces renal perfusion.
What to do
Hold diflunisal around the bowel preparation where feasible and ensure adequate oral fluid intake. Check renal function and electrolytes in high-risk patients.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Diflunisal
- Diflunisal + Ketorolac Contraindicated
- Diflunisal + Ketorolac intranasal Contraindicated
- Acemetacin + Diflunisal Major
- Acetazolamide + Diflunisal Major
- Alteplase + Diflunisal Major
- Amiloride + Diflunisal Major
Frequently asked questions
Can I take Diflunisal with Sodium picosulfate / magnesium oxide / anhydrous citric acid?
MediHelp rates the interaction as moderate. Diflunisal and Sodium picosulfate / magnesium oxide / anhydrous citric acid can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Bowel preparations cause fluid loss and electrolyte shifts, and NSAIDs reduce renal blood flow. Together they can raise the risk of acute kidney injury, especially in dehydrated or older patients.
How serious is the interaction between Diflunisal and Sodium picosulfate / magnesium oxide / anhydrous citric acid?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Hold diflunisal around the bowel preparation where feasible and ensure adequate oral fluid intake. Check renal function and electrolytes in high-risk patients.
What other medicines interact with Diflunisal?
MediHelp also lists interactions of Diflunisal with, for example, Ketorolac, Ketorolac intranasal, Acemetacin. The full list is on the Diflunisal page.
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