Iodine OTC Supplements 101: No Benefit But Harmful to Thyroid Patients

Iodine OTC Supplements 101: No Benefit But Harmful to Thyroid Patients

Iodine OTC Supplements 101: No Benefit But Harmful to Thyroid Patients
Iodine OTC Supplements 101: No Benefit But Harmful to Thyroid Patients Hoang TD1Endocr Pract. 2013 Mar-Apr;19(2):268-74.
Summary:
1.Excessive iodine ingestion may cause thyroid dysfunction.
2.Four patients developed significant thyroid dysfunction after ingesting over-the-counter (OTC) drugs containing large concentrations of iodine.
3. Case 1 involved acute exacerbation of thyrotoxicosis induced by taking OTC Tri-iodine™triiodine-125-mg-90-capsules-by-euromedica
in a 35-year-old woman while still on methimazole therapy.
4. Case 2 involved thyroidextract-induced thyrotoxicosis following ingestion of Thyromine™,
fb9268ff1d343b341365fdaeb45bd5c5 and was confirmed by laboratory studies and ¹³¹I thyroid uptake.
5. Cases 3 and 4 involved severe, symptomatic hypothyroidism induced in 2 patients with underlying autoimmune thyroiditis (Hashimoto’s disease) following ingestion of Iodoral™.
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6. Thyroid dysfunction resolved with appropriate management and discontinuation of the OTC drugs.

Comments: Significant risks associated with OTC preparations containing iodine in patients predisposed to thyroid dysfunction. There is no valid reason for taking high-dose OTC iodine supplements, which have been shown to cause harm and have no known benefit.

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