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Medicines sodium iodide I 123Question & answer

sodium iodide I 123 · Medicine question

How is sodium iodide I 123 eliminated from the body?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Excluding thyroid uptake, sodium iodide I 123 is eliminated chiefly through urinary excretion (37–75%), with low faecal excretion (about 1%).

Sources for this answer

Sodium Iodide (123I) Injection 37 MBq/ml solution for injectionGE Healthcare Limited · emc · SmPC §5.2 Pharmacokinetic properties · Version 1Document updated 23 May 2023

Sources checked 8 November 2026

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More questions about sodium iodide I 123

Can sodium iodide I 123 injection cause hypersensitivity reactions?How can iodinated contrast materials affect the uptake of sodium iodide I 123?How is sodium iodide I 123 injection administered?How much sodium per millilitre does the GE Healthcare Limited sodium iodide I 123 injection 37 MBq/ml product contain?Under what circumstances may sodium iodide I 123 be used during pregnancy?What excipients are listed for the GE Healthcare Limited sodium iodide I 123 injection 37 MBq/ml product?

sodium iodide I 123

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