The thyroid gland responds to complex mechanisms to control the rates of hormone secretion. Hyperthyroidism or thyrotoxicosis results from excess quantities of thyroid hormone within the body. Rather than being classified as a specific disease, it is classified as a syndrome that describes the characteristics resulting from this condition. Risk factors are associated with the causes. The incidence is 1 out of 1,000 people.
Prevention is related to the specific disorder causing hyperthyroidism.
See the specific disorders. Physical examination reveals thyroid enlargement or goiter . Treatment will vary depending on the cause of the condition and the severity of symptoms. Hyperthyroidism is treated with antithyroid medications, radioactive iodine, or surgery. Hyperthyroidism caused by Graves' disease is usually progressive and has associated complications.