Povidone Iodine-induced Overt Hypothyroidism in a Patient with Prolonged Habitual Gargling: Urinary Excretion of Iodine after Gargling in Normal Subjects

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概要

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• Iodine-induced hypothyroidism that develops in patients who gargle routinely with povidone iodine is well known. Usually the hypothyroidism is mild and resolves spontaneously upon cessation of gargling. Here, we report a 63-year-old patient with overt hypothyroidism that developed due to habitual gargling with povidone iodine for more than 10 years. The urinary excretion of iodine was estimated to be greater than 5 mg/day, based on values obtained from 18 normal subjects who gargled three times a day (4.6±2.1 mg, mean±SD). After discontinuation of the gargling, the patient has been euthyroid for more than 10 months.

• 一般社団法人 日本内科学会の論文

著者

• Ohmori Teppei

  Institute of Gastroenterology, Tokyo Women's Medical University

• Kimura Hironari

  Institute of Clinical Endocrinology, Tokyo Women's Medical University

関連論文

• Abnormalities of the Small Intestine Detected by Capsule Endoscopy in Hemodialysis Patients
• Povidone Iodine-induced Overt Hypothyroidism in a Patient with Prolonged Habitual Gargling: Urinary Excretion of Iodine after Gargling in Normal Subjects

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