Synthroid 0.15 mg (Levothyroxine Sodium Hydrate)

Adult dose

Adults: The usual oral dose is 25-400㎍ of levothyroxine sodium once daily. The usual initial dose is 25-100㎍, and the maintenance dose is 100-400㎍. However, the dose may be adjusted as appropriate according to age and symptoms.

This medication is a thyroid hormone. It is inappropriate for individuals with normal thyroid function to take this medication alone or in combination with other medications for weight loss purposes, and it will not be effective. In particular, taking it with sympathomimetic drugs that reduce appetite can lead to serious toxicity and is very dangerous. Patients with certain conditions such as heart disease, hyperthyroidism or toxicity, adrenal insufficiency, etc., should not take this medication. Additionally, patients with hypersensitivity to this medication or genetic issues such as lactose intolerance should avoid it. Careful use may be required according to health conditions such as hypertension, angina pectoris, heart failure, diabetes, and elderly patients. It is advisable to start with a low dose and gradually increase it when taking this medication. In the case of overdose, side effects such as irregular heartbeats, anxiety, insomnia, headaches, digestive disorders, muscle pain may occur, so it is essential to stop taking it immediately and seek medical attention if symptoms appear. This medication can interact with other drugs, so caution is needed when taking it with anticoagulants, heart medications, blood sugar-lowering agents, etc. Regular thyroid function tests should be conducted during treatment, and doses adjusted as necessary. Maintaining thyroid function is essential during pregnancy, so treatment should not be stopped, and caution should also be exercised when breastfeeding. In pediatric cases, early diagnosis and treatment are critical for growth and development, and elderly patients should start at a lower dose and increase it slowly due to reduced physiological function. In cases of overdose, emergency care may include inducing vomiting, gastric lavage, and inhibiting drug absorption, and appropriate treatment for any cardiac symptoms or psychiatric symptoms should be received.

• palpitations
• increased heart rate
• arrhythmia
• angina
• elevated pulse pressure
• tremors
• insomnia
• headache
• dizziness
• sweating

This medication may be sensitive to light; therefore, it should be stored in a container that is not permeable to light. Additionally, the medication should be kept away from excessively hot or cold places, ideally stored at room temperature between 1 and 30 degrees Celsius.

Appearance

White oval-shaped tablet

Package unit

100 tablets/bottle