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Drug interactions

Deferiprone + Magnesium supplement

Severity: Minor

Deferiprone and Magnesium supplement: 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

Deferiprone forms complexes with divalent and trivalent cations, including magnesium, in the intestine. Oral magnesium supplements may therefore reduce the amount of deferiprone absorbed and weaken iron chelation.

What this interaction means in plain words

Deferiprone and Magnesium supplement have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Moderate

Why it happens

Chelation between deferiprone and magnesium ions in the gut lowers absorption.

What to do

Give the magnesium supplement at least 4 hours apart from deferiprone. Monitor serum ferritin for loss of chelation efficacy.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Deferiprone with Magnesium supplement?

MediHelp rates the interaction as minor. Deferiprone and Magnesium supplement have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Deferiprone forms complexes with divalent and trivalent cations, including magnesium, in the intestine. Oral magnesium supplements may therefore reduce the amount of deferiprone absorbed and weaken iron chelation.

How serious is the interaction between Deferiprone and Magnesium supplement?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give the magnesium supplement at least 4 hours apart from deferiprone. Monitor serum ferritin for loss of chelation efficacy.

What other medicines interact with Deferiprone?

MediHelp also lists interactions of Deferiprone with, for example, Clozapine, Abemaciclib, Acalabrutinib. The full list is on the Deferiprone page.

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