Uncommon causes of hyperthyroidism or too much thyroid hormone in the body include:
The thyroid gland usually returns to normal after treatment. For example, after you quit taking substances that contain large amounts of iodine or after a hormone-producing tumor is removed, the thyroid gland again works normally.
|Primary Medical Reviewer||E. Gregory Thompson, MD - Internal Medicine|
|Specialist Medical Reviewer||David C.W. Lau, MD, PhD, FRCPC - Endocrinology|
|Last Revised||November 4, 2011|
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