The generic name of Sage is methimazole tablets, and hyperthyroidism is short for hyperthyroidism. Taking too many methimazole tablets may lead to hypothyroidism (hypothyroidism). The mechanism of action of methimazole tablets is by inhibiting the enzyme peroxidase in the thyroid gland, hindering the oxidation of iodide absorbed into the thyroid gland and the coupling of tyrosine, and also hindering the synthesis of thyroxine and triiodothyronine. An overdose of methimazole tablets may cause hypothyroidism, with hypometabolic symptoms such as chills, drowsiness, memory loss, hearing loss, and apathy. Hyperthyroidism when taking methimazole tablets should be regularly rechecked thyroid function, and based on the results of the thyroid function test to adjust the medication, so as not to dosage more than needed to cause hypothyroidism. When taking methimazole tablets, you need to pay attention to lactating women are prohibited, allergic to any components of the drug need to be prohibited, in addition to pregnant women, abnormal liver function, granulocytopenia should be used with caution. Methimazole tablets need to be applied under the guidance of a doctor.