Eugenol, commonly known as levothyroxine sodium tablets, is mainly used to replenish the body’s thyroid hormone, and many patients with post-thyroid surgery or hypothyroidism need to take this drug to meet the body’s needs. In fact, the taking of Eugenol is not simple, we will talk about the precautions today: 1. Eugenol should be taken every day. 2, time: it is best to take it 1 hour before breakfast every day, you can also take it half an hour before breakfast or 3 hours after dinner (before bedtime, it may affect rest), adhere to 1 of them. 3, missed dose: if you miss a dose, you can take twice the dose the next day; if you miss more than one dose, you should insist on taking twice the dose every day until you make up for the number of missed doses. 4.Blood draw for review: draw blood on an empty stomach and take the medicine afterwards. 5, review cycle: when you need to adjust the dose, generally 4-6 weeks to review once; 1 year after surgery, if the dose has been properly adjusted, it is recommended to review once in 3-6 months; 1 year after surgery, it is recommended to review once in 6 months. If there is weakness, bad spirit, or fear of heat and sweating, panic, etc. should immediately go to the hospital. 6, affect the absorption: take the medicine with plain water only; should take certain special drugs or foods after sufficient interval: 1 hour interval with vitamins, hypertension drugs, tonic; 2 hours interval with iron and calcium containing foods or drugs, proton pump inhibitors; 4 hours interval with milk and soy foods; if you need to take other drugs for a long time at the same time, please consult your physician for the interval. 7.If you need to do radioactive iodine treatment after thyroid surgery, you need to stop using Eugenol before treatment, please consult your physician for details. 8, eugenol should be purchased in a regular hospital, some pharmacies have fake drugs, which affect the treatment. 9.Storage according to the drug instructions: refrigerate below 25℃.