T4 Details:
| Product name : | Tetraiodothyronine ,T4, L-Thyroxine ,Levothyroxine |
| Alias: | L-Thyroxine,3,3',5,5'-Tetraiodo-L-thyronine,3-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-L-alanine |
| CAS: | 51-48-9 |
| Einecs: | 200-101-1 |
| MF: | C15H11I4NO4 |
| MW: | 776.87 |
| Purity: | 99.53% min |
| Appearance: | White Crystalline Solid |
| Grade : | Pharmaceutical Grade |
| Storage: | Shading, confined preservation |
T4 Description:
T4, also known as L-thyroxine and Levothyroxine , is a synthetic thyroid hormone that is chemically identical to thyroxine (T4), which is naturally secreted by the follicular cells of the thyroid gland. It is used to treat thyroid hormone deficiency, and occasionally to prevent the recurrence of thyroid cancer. Like its naturally secreted counterpart, levothyroxine is a chiral compound in the L-form.
T4 is a replacement for a hormone normally produced by your thyroid gland to regulate the body's energy and metabolism. Levothyroxine is given when the thyroid does not produce enough of this hormone on its own.
T4 treats hypothyroidism (low thyroid hormone). It is also used to treat or prevent goiter (enlarged thyroid gland), which can be caused by hormone imbalances, radiation treatment, surgery, or cancer.
L-Thyroxine Application:
T4 is used to treat an underactive thyroid (hypothyroidism). It replaces or provides more thyroid hormone, which is normally produced by the thyroid gland. Low thyroid hormone levels can occur naturally or when the thyroid gland is injured byradiation/medications or removed by surgery. Having enough thyroid hormone is important for maintaining normal mental and physical activity. In children, having enough thyroid hormone is important for normal mental and physical development.
This medication is also used to treat other types of thyroid disorders (such as certain types of goiters, thyroid cancer).
One of the thyroid hormones involved in the maintenance of metabolic homeostasis. Synthesized and stored as amino acid residues of thyroglobulin, the major protein component of the thyroid follicular colloid. Synthesis and secretion are regulated by the people.
This medication should not be used to treat infertility unless it is caused by low thyroid hormone levels.
L-Thyroxine Dosage:
Levothyroxine is taken on an empty stomach approximately half an hour to an hour before meals. As such, thyroid replacement therapy is usually taken 30 minutes prior to eating in the morning. For patients with trouble taking levothyroxine in the morning, bedtime dosing is effective as well. A recent study published in JAMA showed greater efficacy of levothyroxine when taken at bedtime.
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