The generic name of Eugenol is Levothyroxine Sodium Tablets. The dose adjustment of levothyroxine sodium tablets after pituitary tumor surgery is mostly reduced by half a tablet every two weeks, which needs to be reasonably increased or decreased according to the thyroid hormone level. After pituitary tumor surgery due to surgical damage to the pituitary gland, the pituitary gland secretes thyroid stimulating hormone level can be reduced, which will make the patient appear secondary hypothyroidism, can be used through the use of levothyroxine sodium tablets to supplement the thyroid hormone to treat hypothyroidism. However, at the same time, levothyroxine sodium tablets may also inhibit the pituitary gland’s secretion of thyroid-stimulating hormone by elevating the level of thyroid hormone in the body, which may affect the function of the thyroid gland. After pituitary tumor surgery, you need to pay attention to monitoring changes in thyroid function, according to the level of thyroid hormone levothyroxine sodium tablets dose adjustment to avoid adverse consequences. The usual dose adjustment is mostly a reduction of half a tablet every two weeks. With the use of Levothyroxine Sodium Tablet, symptoms of hyperthyroidism such as tachycardia, palpitations (rapid heartbeat, often accompanied by panic), headache, muscle weakness, and allergic reactions may occur in certain patients. It is contraindicated in patients who are sensitive to the drug and in patients with adrenal function, pituitary defects and thyrotoxicosis. After surgery for pituitary tumors, it is necessary to go to the hospital regularly for review to monitor the changes in thyroid function and to have a professional physician determine the method of adjusting the dosage of levothyroxine sodium tablets according to the level of thyroid hormones.