Drug interactions
Magnesium + Mannitol
Severity: Minor
Magnesium and Mannitol: minor 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 diuresis from mannitol increases urinary excretion of electrolytes including magnesium. With repeated dosing this may cause electrolyte depletion.
What this interaction means in plain words
Magnesium and Mannitol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Magnesium belongs to Gastrointestinal Tract; Mannitol belongs to Cardiovascular.
Why it happens
Osmotic diuresis reduces tubular reabsorption of magnesium and other electrolytes.
What to do
Monitor serum electrolytes including magnesium with repeated or high-dose mannitol.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Magnesium
- Ciprofloxacin + Magnesium Major
- Magnesium + Pancuronium Major
- Magnesium + Rocuronium Major
- Magnesium + Vecuronium Major
- Amikacin + Magnesium Moderate
- Amphotericin b deoxycholate + Magnesium Moderate
Other interactions of Mannitol
Frequently asked questions
Can I take Magnesium with Mannitol?
MediHelp rates the interaction as minor. Magnesium and Mannitol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Osmotic diuresis from mannitol increases urinary excretion of electrolytes including magnesium. With repeated dosing this may cause electrolyte depletion.
How serious is the interaction between Magnesium and Mannitol?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor serum electrolytes including magnesium with repeated or high-dose mannitol.
What other medicines interact with Magnesium?
MediHelp also lists interactions of Magnesium with, for example, Ciprofloxacin, Pancuronium, Rocuronium. The full list is on the Magnesium page.
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