Hyperthyroidism is short for hyperthyroidism, which is not contagious, so hyperthyroidism is not contagious. The causes of hyperthyroidism include diffuse toxic goiter, nodular toxic goiter and autonomous hyperfunctional adenoma of the thyroid gland. And this disease belongs to the endocrine system diseases, not infectious diseases. The thyroid hormone level in hyperthyroidism patients is higher than normal, which can cause high metabolic state, such as palpitation, hand tremor, insomnia, fear of heat, excessive sweating, diarrhea, hyper appetite and so on. Once the diagnosis of hyperthyroidism is confirmed, you need to follow the doctor’s instructions to take antithyroid drugs such as propylthiouracil, or iodine 131 treatment, surgical treatment and other methods of relief. Patients diagnosed with hyperthyroidism should receive standardized treatment under the guidance of a doctor. The disease is not contagious, so there is no need to worry.