In teens who have hyperthyroidism, the thyroid gland makes and releases too much thyroid hormone. The body’s functions speed up, and this causes a range of symptoms. An overactive thyroid, or ...

While it is unlikely, a person may alternate between hyperthyroidism and hypothyroidism. This depends on the balance of thyroid antibodies present in autoimmune thyroid disorders. The thyroid is a ...

The thyroid, a butterfly-shaped gland located in the front and at the base of your neck, acts as the metabolic control center for your body. The hormones that your thyroid secretes help maintain the ...

Hyperthyroidism may present with an itchy rash, hives, or changes in skin pigmentation. Medications that treat hyperthyroidism may also cause a rash. Hyperthyroidism, also known as overactive thyroid, ...