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Medicines iodine + potassium iodideQuestion & answer

iodine + potassium iodide · Medicine question

Does it affect thyroid blood tests?

iatroX medicinesPublished 20 August 2026Reviewed 20 August 2026

The answer

Answer

Yes. Recent administration can interfere with thyroid-function testing, so tell the clinician arranging or interpreting the test.

Sources for this answer

Iodine Tincture BPemc · SmPC Current selected SmPC · Version 5
Aqueous Iodine Oral Solution BPemc · SmPC Current selected SmPC · Version 4

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The full medicine guide

iodine + potassium iodide

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