Taking too much thyroid hormone replacement can also result in hyperthyroidism, follow your treatment plan and get blood tests done regularly.
In some cases, excess iodine intake, such as kelp supplements, may cause hyperthyroidism.
Hyperthyroidism. EBSCO DynaMed website. Available at: https://dynamed.ebscohost.com/about/about-us. Updated March 12, 2013. Accessed November 25, 2013.
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