Below is an instruction from Human. Write a response.
    ### Instruction:
    What to do for Hyperthyroidism ?
    ### Response:
    - Hyperthyroidism is a disorder that occurs when the thyroid gland makes more thyroid hormone than the body needs.  - Hyperthyroidism is most often caused by Graves disease, an autoimmune disorder. Other causes include thyroid nodules, thyroiditis, consuming too much iodine, and overmedicating with synthetic thyroid hormone.
    