What Is Thyroid Disease?
5. Hyperthyroidism Causes
Hyperthyroidism means that the thyroid gland is producing too many hormones. This is sometimes caused by thyroiditis, which is also sometimes the cause of hypothyroidism. Thyroiditis tends to cause hyperthyroidism by causing the gland to release hormones that were being stored in the gland.
Another potential cause is that there is too much iodine in the patient’s body, and this is often the result of using certain medication. Some people will develop nodules on their thyroid gland which can affect hormone production. There is also Grave’s disease, which is a type of autoimmune condition and is the most common underlying cause of hyperthyroidism.
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