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Drug interactions

Ferrous sulfate + Trientine

Severity: Moderate

Ferrous sulfate and Trientine: 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

Iron and trientine chelate each other in the gut, reducing absorption of both. Trientine efficacy in copper removal may drop, and the iron may be less effective as well.

What this interaction means in plain words

Ferrous sulfate and Trientine 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.

Ferrous sulfate belongs to Miscellaneous; Trientine belongs to Miscellaneous.

Evidence level: Moderate

Why it happens

Mutual chelation in the gastrointestinal tract forms poorly absorbed complexes.

What to do

Separate iron and trientine by at least 2 hours. Monitor copper indices in Wilson disease and iron indices.

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?

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 Ferrous sulfate with Trientine?

MediHelp rates the interaction as moderate. Ferrous sulfate and Trientine 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. Iron and trientine chelate each other in the gut, reducing absorption of both. Trientine efficacy in copper removal may drop, and the iron may be less effective as well.

How serious is the interaction between Ferrous sulfate and Trientine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Separate iron and trientine by at least 2 hours. Monitor copper indices in Wilson disease and iron indices.

What other medicines interact with Ferrous sulfate?

MediHelp also lists interactions of Ferrous sulfate with, for example, Ciprofloxacin, Dimercaprol, Acetohydroxamic acid. The full list is on the Ferrous sulfate page.

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