Secondary hyperthyroidism occurs when the thyroid gland produces too much thyroid hormone. It can often be caused by a benign tumor of the pituitary gland. The primary treatment option is surgery.

If your mysterious weight loss, sudden intolerance to heat, and noticeably irregular period has you scouring the internet for the reasons why, you’ve probably wondered if your symptoms are the result ...

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 ...

Hyperthyroidism can lead to heart-related complications like atrial fibrillation and coronary artery disease. If you have hyperthyroidism, chest pain is a potential sign of these complications.