Eugenol is generically called Levothyroxine Sodium Tablets and is mainly used to treat hypothyroidism. Levothyroxine Sodium Tablet is a thyroid hormone drug. It is mainly used for congenital hypothyroidism, or long-term replacement therapy drugs for hypothyroidism caused by various reasons, and can also be used for simple goiter, chronic lymphatic thyroiditis, and suppression therapy after surgery for thyroid cancer. The use of levothyroxine sodium tablets requires strict dosage control according to the patient’s specific situation. Symptoms such as angina pectoris, arrhythmia, diarrhea, vomiting, insomnia, and weight loss may occur in case of overdosage, and the above manifestations usually disappear after decreasing the dosage or discontinuing the drug for a few days. In addition, the drug is contraindicated in non-hypothyroid heart failure, tachyarrhythmia and recent myocardial infarction, as well as in patients who are allergic to levothyroxine sodium tablets. Therefore, levothyroxine sodium tablets should be used in accordance with the doctor’s instructions on a regular basis and in accordance with the dosage, and if any discomfort occurs during the use of the drug, you should go to the hospital in a timely manner.