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Medicines sodium iodide I 123Question & answer

sodium iodide I 123 · Medicine question

What can a thyroid scan show?

iatroX medicinesPublished 21 August 2026Reviewed 21 August 2026

The answer

Answer

It can assess the thyroid’s iodine uptake, function, size, shape and position.

Sources for this answer

Sodium Iodide (123I) Injection 37 MBq/ml solution for injectionemc · SmPC Current selected SmPC · Version 1
NHSNHS · NHS medicine guidance

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More questions about sodium iodide I 123

Is sodium iodide I 123 used to treat thyroid disease?Should I stop thyroid tablets before the scan?Can I breastfeed after the procedure?What should I do afterwards?

The full medicine guide

sodium iodide I 123

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