The Jod-Basedow effect is hyperthyroidism following administration of iodine or iodide,[1] either as a dietary supplement or as contrast medium.
This phenomenon is an iodine-induced hyperthyroidism, typically presenting in a patient with endemic goiter who then relocates to an iodine-abundant geographical area.
It is named for Karl Adolph von Basedow, a German physician and the German word for iodine, "jod". It is the opposite of the Wolff-Chaikoff effect.
It may be a side effect of administration of amiodarone, an antiarrhythmic drug (Vaughn-Williams class III)
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