Euthyrox is the trade name and generic name for Levothyroxine Sodium Tablets. Taking 3 Levothyroxine Sodium Tablets after thyroid cancer surgery is not considered serious. Levothyroxine sodium tablets are commonly used in hypothyroidism and as replacement therapy after thyroid cancer surgery. After thyroid cancer surgery, due to the removal of the entire thyroid gland, levothyroxine sodium tablets should be taken to supplement thyroid hormone under the guidance of a professional doctor after surgery, and the dosage is usually larger. Therefore, taking 3 Levothyroxine Sodium Tablets after surgery is not considered serious. The dosage of levothyroxine sodium tablets is mainly based on the patient’s condition, weight and other calculations of the appropriate amount of medication, in order to effectively control the thyroid hormones and reduce the probability of recurrence of thyroid cancer. Therefore, levothyroxine sodium tablets must be taken in strict accordance with the doctor’s instructions, too much or too little will not work, so as not to cause hyperthyroidism or hypothyroidism. Thyroid function should be rechecked regularly during the medication period, and the dosage should be adjusted in time.