Eugenol is the trade name and its generic name is Levothyroxine Sodium Tablets, and the indications for this medication mainly include multiple causes of hypothyroidism. Women who are menstruating can take the drug if they have indications, it is not a contraindication to the drug. Indications for levothyroxine sodium tablets include multiple causes of hypothyroidism, such as congenital hypothyroidism and post-total thyroid cancer surgery. Contraindications to the drug do not include menstruating women, but rather patients with hypersensitivity to the drug, tachyarrhythmias, non-hypothyroid heart failure, and recent myocardial infarction. Adverse reactions include angina pectoris, arrhythmia, palpitations, tremor, excitement, headache, restlessness, insomnia, diarrhea, vomiting, and excessive sweating. Levothyroxine Sodium Tablet is a prescription drug and should be used in accordance with medical advice.