Eugenol generic name is levothyroxine sodium tablets, the effect of taking it in the morning and taking it before going to bed is almost the same, but taking it before going to bed may affect the quality of sleep. Note that if you take it before bedtime, you need to take it on an empty stomach for about four hours after a meal, and any change in dosage should be made under the supervision of a doctor. Levothyroxine sodium tablets are mainly absorbed in the intestinal tract, so you should try to avoid taking them with food, the recommended time to take them is usually in the morning, but it is also possible to take them before going to bed at night on an empty stomach for about four hours after a meal, the effect is about the same, but taking them before going to bed may affect the quality of sleep, insomnia, and excessive dreams. The drug may cause adverse reactions such as palpitations, weight loss, menstrual disorders, excitement, insomnia, irritability, angina pectoris, tachycardia, fear of heat, excessive sweating. It is contraindicated in patients with hypersensitivity to the drug, tachyarrhythmia, non-hypothyroid heart failure, and recent myocardial infarction. Patients who need to use levothyroxine sodium tablets for treatment should use the drug under the guidance of a doctor.