Eugenol is the trade name, generic name levothyroxine sodium tablets, cervical lymph node enlargement is not recommended to take levothyroxine sodium tablets. Levothyroxine sodium tablets, clinically, are mainly used for thyroxine deficiency supplementation, or used in combination with thyroid medication for the adjuvant treatment of hyperthyroidism, but also can be used for postoperative treatment of thyroid cancer to reduce the rate of tumor recurrence. Enlarged lymph nodes in the neck refers to the phenomenon that the lymph nodes in the neck increase in size under the action of various pathogenic factors, which can be accompanied by local pain, redness, swelling, ulceration, pus and other symptoms. Enlarged lymph nodes are commonly caused by acute inflammation and tumor, and acute inflammation can be treated by taking levofloxacin tablets, norfloxacin capsules, cefixime granules and other medicines under the guidance of doctor, while tumor can be treated with surgery and radiotherapy according to the nature of staging. Cervical lymph node enlargement need to clarify the cause of enlargement and then under the guidance of the doctor to use drugs, but also to be clear about the indications of levothyroxine sodium tablets, can not be blindly indiscriminate medication, it is recommended that the hospital follow-up.