Drug interactions
Magnesium sulphate + Torsemide
Severity: Moderate
Magnesium sulphate and Torsemide: 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
Torsemide, like other loop diuretics, increases urinary magnesium excretion and may cause hypomagnesemia, reducing the effect of supplementation. It may also add to arrhythmia risk through electrolyte depletion.
What this interaction means in plain words
Magnesium sulphate and Torsemide 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.
Magnesium sulphate belongs to Cardiovascular; Torsemide belongs to Cardiovascular.
Why it happens
Inhibition of Na-K-2Cl cotransport in the thick ascending limb reduces magnesium reabsorption.
What to do
Monitor serum magnesium, potassium and calcium, and replace magnesium according to measured levels.
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 Magnesium sulphate
- Amikacin + Magnesium sulphate Moderate
- Amphotericin b deoxycholate + Magnesium sulphate Moderate
- Atracurium + Magnesium sulphate Moderate
- Baloxavir marboxil + Magnesium sulphate Moderate
- Ciprofloxacin + Magnesium sulphate Moderate
- Cisatracurium + Magnesium sulphate Moderate
Other interactions of Torsemide
Frequently asked questions
Can I take Magnesium sulphate with Torsemide?
MediHelp rates the interaction as moderate. Magnesium sulphate and Torsemide 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. Torsemide, like other loop diuretics, increases urinary magnesium excretion and may cause hypomagnesemia, reducing the effect of supplementation. It may also add to arrhythmia risk through electrolyte depletion.
How serious is the interaction between Magnesium sulphate and Torsemide?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor serum magnesium, potassium and calcium, and replace magnesium according to measured levels.
What other medicines interact with Magnesium sulphate?
MediHelp also lists interactions of Magnesium sulphate with, for example, Amikacin, Amphotericin b deoxycholate, Atracurium. The full list is on the Magnesium sulphate page.
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