Graves' disease is an immune system disorder that causes the overproduction of thyroid hormones, the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) says. Symptoms include ...

Graves’ eye disease is also known as Graves’ ophthalmopathy ... Inflammation of the tissues and muscles around the eye causes it to bulge. The immune response can cause so much swelling ...

Long-standing hyperthyroidism can also cause osteoporosis. Common causes of hyperthyroidism are toxic diffuse goiter (Graves disease), toxic adenoma, toxic multinodular goiter, and painful ...