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Drug interactions

Iron + Tiratricol

Severity: Moderate

Iron and Tiratricol: 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 preparations can form complexes with thyroid hormone analogues in the gut, reducing absorption. Loss of thyroid control may result.

What this interaction means in plain words

Iron and Tiratricol 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 belongs to Gastrointestinal Tract; Tiratricol belongs to Endocrine.

Evidence level: Moderate

Why it happens

Iron binds tiratricol in the gastrointestinal lumen, decreasing its absorption.

What to do

Separate doses by more than 2 hours, and monitor T3 and thyroid status when iron is started or stopped.

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 Iron with Tiratricol?

MediHelp rates the interaction as moderate. Iron and Tiratricol 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 preparations can form complexes with thyroid hormone analogues in the gut, reducing absorption. Loss of thyroid control may result.

How serious is the interaction between Iron and Tiratricol?

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 doses by more than 2 hours, and monitor T3 and thyroid status when iron is started or stopped.

What other medicines interact with Tiratricol?

MediHelp also lists interactions of Tiratricol with, for example, Levothyroxine, Calcium, Carbamazepine. The full list is on the Tiratricol page.

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