The main component of Euthyroxine is levothyroxine sodium. Euthyroxine is identical to the thyroid gland’s natural secretion of thyroxine and is mainly used to treat the following diseases: 1. treatment of non-toxic goiter; 2. post-thyroidectomy; 3. prevention of recurrence of goiter; 4. replacement therapy for hypothyroidism; 5. adjuvant therapy for hyperthyroidism with antithyroid drugs; 6. post-operative thyroid cancer The suppressive treatment of thyroid cancer; 7, thyroid suppression test. When taking Eugenol, it must be taken in the morning on an empty stomach, because food will affect the absorption of the drug, it is better to take it one hour before meals. During the medication period, you must pay attention to monitoring the thyroid function and adjust the dosage according to the thyroid laboratory results. In addition, Eugenol contains lactose and should not be taken by patients with rare cases of hereditary galactose intolerance, lactase deficiency, or impaired absorption of glucose or galactose.