Drug interactions
Gentamicin + Sodium sulfate / potassium sulfate / magnesium sulfate
Severity: Moderate
Gentamicin 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
Osmotic bowel preparations can cause fluid loss and electrolyte disturbance, and dehydration increases gentamicin nephrotoxicity. Renal impairment further impairs aminoglycoside clearance.
What this interaction means in plain words
Gentamicin 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
Volume depletion and electrolyte shifts from the preparation increase renal vulnerability to aminoglycoside toxicity.
What to do
Ensure adequate hydration and monitor serum creatinine, electrolytes and gentamicin levels around the bowel preparation.
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 Gentamicin
- Cidofovir + Gentamicin Contraindicated
- Adefovir + Gentamicin Major
- Amikacin + Gentamicin Major
- Amlodipine-hydrochlorothiazide-valsartan + Gentamicin Major
- Amphotericin b deoxycholate + Gentamicin Major
- Amphotericin b + Gentamicin Major
Frequently asked questions
Can I take Gentamicin with Sodium sulfate / potassium sulfate / magnesium sulfate?
MediHelp rates the interaction as moderate. Gentamicin 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. Osmotic bowel preparations can cause fluid loss and electrolyte disturbance, and dehydration increases gentamicin nephrotoxicity. Renal impairment further impairs aminoglycoside clearance.
How serious is the interaction between Gentamicin 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: Ensure adequate hydration and monitor serum creatinine, electrolytes and gentamicin levels around the bowel preparation.
What other medicines interact with Gentamicin?
MediHelp also lists interactions of Gentamicin with, for example, Cidofovir, Adefovir, Amikacin. The full list is on the Gentamicin page.
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