Drug interactions
Irbesartan + Sodium sulfate / ?magnesium sulfate / potassium chloride
Severity: Moderate
Irbesartan and Sodium sulfate / ?magnesium sulfate / potassium chloride: 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
Oral sulfate-based bowel preparations cause fluid loss and electrolyte shifts. In a patient taking irbesartan, volume depletion can precipitate acute kidney injury, and the potassium content may add to hyperkalemia risk.
What this interaction means in plain words
Irbesartan and Sodium sulfate / ?magnesium sulfate / potassium chloride 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
Bowel-prep-induced volume depletion and electrolyte changes reduce renal perfusion, which is poorly tolerated when angiotensin II receptor blockade impairs glomerular autoregulation.
What to do
Ensure adequate hydration before and during bowel preparation and consider withholding irbesartan on the day of preparation in patients at risk. Check electrolytes and creatinine afterward in high-risk patients such as the elderly or those with kidney disease.
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 Irbesartan
- Aliskiren + Irbesartan Contraindicated
- Irbesartan + Sparsentan Contraindicated
- Amifostine + Irbesartan Major
- Amiloride + Irbesartan Major
- Amlodipine-benazepril + Irbesartan Major
- Amlodipine-hydrochlorothiazide-valsartan + Irbesartan Major
Frequently asked questions
Can I take Irbesartan with Sodium sulfate / ?magnesium sulfate / potassium chloride?
MediHelp rates the interaction as moderate. Irbesartan and Sodium sulfate / ?magnesium sulfate / potassium chloride 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. Oral sulfate-based bowel preparations cause fluid loss and electrolyte shifts. In a patient taking irbesartan, volume depletion can precipitate acute kidney injury, and the potassium content may add to hyperkalemia risk.
How serious is the interaction between Irbesartan and Sodium sulfate / ?magnesium sulfate / potassium chloride?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Ensure adequate hydration before and during bowel preparation and consider withholding irbesartan on the day of preparation in patients at risk. Check electrolytes and creatinine afterward in high-risk patients such as the elderly or those with kidney disease.
What other medicines interact with Irbesartan?
MediHelp also lists interactions of Irbesartan with, for example, Aliskiren, Sparsentan, Amifostine. The full list is on the Irbesartan page.
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