Drug interactions
Diflunisal + Sodium sulfate / potassium sulfate / magnesium sulfate
Severity: Moderate
Diflunisal and Sodium sulfate / potassium sulfate / magnesium sulfate: 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
Sulfate-based bowel preparations produce fluid loss and electrolyte shifts, while NSAIDs reduce renal perfusion. The combination may increase the chance of acute kidney injury and electrolyte complications.
What this interaction means in plain words
Diflunisal and Sodium sulfate / potassium sulfate / magnesium sulfate 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
Preparation-induced volume and electrolyte depletion combined with NSAID inhibition of renal prostaglandin-dependent perfusion.
What to do
Avoid diflunisal around the time of bowel preparation where possible and maintain hydration. Monitor renal function and electrolytes in older or 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 sulfate / potassium sulfate / magnesium sulfate?
MediHelp rates the interaction as moderate. Diflunisal and Sodium sulfate / potassium sulfate / magnesium sulfate 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. Sulfate-based bowel preparations produce fluid loss and electrolyte shifts, while NSAIDs reduce renal perfusion. The combination may increase the chance of acute kidney injury and electrolyte complications.
How serious is the interaction between Diflunisal and Sodium sulfate / potassium sulfate / magnesium sulfate?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid diflunisal around the time of bowel preparation where possible and maintain hydration. Monitor renal function and electrolytes in older or 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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