What is hyperthyroidism? Hyperthyroidism is a condition in which the thyroid gland becomes overactive. It starts producing excessive thyroid hormones. Hyperthyroidism is an autoimmune disorder and it occurs when your body starts producing an antibody called thyroid stimulating immunoglobulin that stimulates the thyroid gland for producing too much thyroid hormone. Hyperthyroidism also occurs due to the presence of a nodular goiter. It is a lump in the thyroid gland that stimulates the thyroid gland to produce more amounts of thyroid hormones. Inflammation of the thyroid gland can also temporarily increase the production of thyroid hormones. People consuming too much iodine can also suffer from goiter and results in thyroid disorders. Treatment for hyperthyroidism depends upon the definite cause of the problem. It is necessary to know the definite cause before taking any treatment for hyperthyroidism. Symptoms of hyperthyroidism The most important symptoms that are associ...