The main ingredient of this product is levothyroxine sodium
Chemical name: O- (4- hydroxyl -3, 5- two iodiphenyl) -3, 5- two iodide -L- tyrosine monosodium salt.
Chemical structural formula:
Molecular formula: C15H10I4NNaO4
Molecular weight: 798.86
This product is white.
Suitable for congenital hypothyroidism (cretinism) long-term treatment of thyroid function caused by various reasons with children and adults of hypothyroidism replacement, can also be used for simple goiter, onic lymphocytic thyroiditis, inhibition of thyroid cancer after surgery (and alternative treatment). It can also be used to test the inhibition of hyperthyroidism.
(1) 25 mu g, (2) 50 mu g and (3) 100 mu g.
[usage and dosage]
Oral adults: the initial daily use of 25~50 mu g, the maximum number of no more than 100 mu g, can be increased every 2~4 weeks 25~50 g, until the maintenance of normal metabolism. The general maintenance dose is 50~200 u g/ days. The initial dose of 12.5~25 mu g is appropriate for the elderly or patients with cardiovascular disease, and one dose per 3~4 week is added, and 12.5~25 mu g is increased each time. After taking medicine, we should closely observe whether the patient has heart rate acceleration, arrhythmia and blood pressure change, and regularly monitor thyroid hormone level. If necessary, postpone dosage or decrease dosage.
The performance of the excessive dose of angina pectoris, arrhythmia, heart palpitations, diarrhea, vomiting, headache, tremor, excitement, restlessness, insomnia, sweating, flushing, weight loss, muscle spasm, usually in reducing the dosage or withdrawal number after the symptoms disappeared.
Patients with hypothyroidism, rapid arrhythmia, and recent myocardial infarction are forbidden, and those who are allergic to the drug are forbidden.