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Saeed Ahmad, MD
Fairmont, WVa

JAMA. 1995;274(13):1011.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.

—The excellent Special Communication by Dr Singer and colleagues¹ gives guidelines for use by physicians in the care of patients with thyroid disorders. However, I was surprised that Singer et al did not mention the role of amiodarone in causing thyroid disorder.^2,3 Amiodarone is an iodinated molecule containing 37.2% of its molecular weight as iodine; therefore, it may cause thyroid dysfunction. Amiodarone has been reported to cause both thyrotoxicosis and hypothyroidism.^2,3 Middlekauf et al⁴ published an excellent review of amiodarone therapy in patients with atrial fibrillation. Amiodarone therapy is being used widely for treatment of atrial fibrillation and congestive heart failure.⁵

Amiodarone therapy should have been added to the guidelines so that physicians may be made aware of this iatrogenic thyroid disorder. . . . [Full Text PDF of this Article]

Footnotes
Edited by Margaret A. Winker, MD, Senior Editor, and Phil B. Fontanarosa, MD, Senior Editor.

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