Eureka, which is levothyroxine sodium, increased blood pressure after taking this product may be due to pharmacologic hyperthyroidism and hypertension, which requires appropriate dosage adjustments, as well as general treatment and medication to relieve symptoms. 1. Pharmacologic hyperthyroidism: If the dosage of levothyroxine sodium is taken in excess, pharmacologic hyperthyroidism may occur, which may lead to an increase in blood pressure. Treatment needs to be appropriate to adjust the dosage, control to the best state can be, generally reduce the dose of drugs, blood pressure will gradually decline. If the drug hyperthyroidism is more serious, the drug should be stopped as soon as possible, and then regularly monitor the thyroid function. 2. Hypertension: This has nothing to do with taking levothyroxine sodium, it may be that the patient himself suffers from hypertension, the treatment needs to monitor the blood pressure regularly, if the diagnosis of hypertension, it should be treated with oral antihypertensive medication, for example, nifedipine, amlodipine and so on. Note on taking Levothyroxine Sodium, if you are allergic to any of the ingredients of this product, or have adrenal insufficiency, pituitary insufficiency need to be prohibited. Prolonged use may cause angina pectoris, headache, flushing, fever and other symptoms, can be relieved after timely discontinuation of use. Specific medication should be under the guidance of a doctor, do not take medication without authorization.