Drug interactions
Magnesium hydroxide + Mannitol
Severity: Minor
Magnesium hydroxide 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
Mannitol is an osmotic diuretic that can raise urinary excretion of electrolytes including magnesium. Any reduction in magnesium status is modest and rarely significant with occasional magnesium hydroxide use.
What this interaction means in plain words
Magnesium hydroxide 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 hydroxide belongs to Gastrointestinal Tract; Mannitol belongs to Cardiovascular.
Why it happens
Osmotic diuresis increases renal excretion of magnesium and other electrolytes.
What to do
No specific action is needed. Monitor serum electrolytes including magnesium if mannitol is given repeatedly or in high doses.
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 hydroxide
Other interactions of Mannitol
Frequently asked questions
Can I take Magnesium hydroxide with Mannitol?
MediHelp rates the interaction as minor. Magnesium hydroxide 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. Mannitol is an osmotic diuretic that can raise urinary excretion of electrolytes including magnesium. Any reduction in magnesium status is modest and rarely significant with occasional magnesium hydroxide use.
How serious is the interaction between Magnesium hydroxide 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: No specific action is needed. Monitor serum electrolytes including magnesium if mannitol is given repeatedly or in high doses.
What other medicines interact with Magnesium hydroxide?
MediHelp also lists interactions of Magnesium hydroxide with, for example, Ciprofloxacin, Dolutegravir, Gemifloxacin. The full list is on the Magnesium hydroxide page.
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