Levothyroxine sodium anhydrous en es it fr

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Levothyroxine_sodium_anhydrous
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Levothyroxine sodium anhydrous Brand names, Levothyroxine sodium anhydrous Analogs

Levothyroxine sodium anhydrous Brand Names Mixture

  • No information avaliable

Levothyroxine sodium anhydrous Chemical_Formula

C15H11I4NO4

Levothyroxine sodium anhydrous RX_link

http://www.rxlist.com/cgi/generic/levothy.htm

Levothyroxine sodium anhydrous fda sheet

Levothyroxine_sodium_anhydrous FDA

Levothyroxine sodium anhydrous msds (material safety sheet)

Levothyroxine_sodium_anhydrous MSDS

Levothyroxine sodium anhydrous Synthesis Reference

Chalmers et al., J. Chem. Soc. 1949, 3424

Levothyroxine sodium anhydrous Molecular Weight

776.87 g/mol

Levothyroxine sodium anhydrous Melting Point

235.5 oC

Levothyroxine sodium anhydrous H2O Solubility

0.105 mg/mL

Levothyroxine sodium anhydrous State

Solid

Levothyroxine sodium anhydrous LogP

4.099

Levothyroxine sodium anhydrous Dosage Forms

Liquid; Powder for intravenous injection (6 and 10 mL vials containing 0.2 mg or 0.5mg of levothyroxine per vial); Tablet (0.025, 0.05, 0.075, 0.088, 0.1, 0.112, 0.125, 0.137, 0.15, 0.175, 0.2, and 0.3 mg)

Levothyroxine sodium anhydrous Indication

For use alone or in combination with antithyroid agents to treat hypothyroidism, goiter, chronic lymphocytic thyroiditis, myxedema coma, and stupor.

Levothyroxine sodium anhydrous Pharmacology

Levothyroxine (T4) is a synthetically prepared levo isomer of thyroxine, the major hormone secreted from the thyroid gland. Thyroxine is released from thyroglobulin by proteolysis and secreted into the blood. Thyroxine is peripherally deiodinated to form triiodothyronine which exerts a broad spectrum of stimulatory effects on cell metabolism. Thyroid hormone increases the metabolic rate of cells of all tissues in the body. In the fetus and newborn, thyroid hormone is important for the growth and development of all tissues including bones and the brain. In adults, thyroid hormone helps to maintain brain function, food metabolism, and body temperature, among other effects. The symptoms of thyroid deficiency relieved by levothyroxine include slow speech, lack of energy, weight gain, hair loss, dry thick skin and unusual sensitivity to cold.

Levothyroxine sodium anhydrous Absorption

Bioavailability varies from 48% to 80%. Human studies have confirmed the importance of an intact jejunum and ileum for levothyroxine absorption and have shown some absorption from the duodenum.

Levothyroxine sodium anhydrous side effects and Toxicity

LD50=20 mg/kg (orally in rat). Hypermetabolic state indistinguishable from thyrotoxicosis of endogenous origin. Symptoms of thyrotoxicosis include weight loss, increased appetite, palpitations, nervousness, diarrhea, abdominal cramps, sweating, tachycardia, increased pulse and blood pressure, cardiac arrhythmias, tremors, insomnia, heat intolerance, fever, and menstrual irregularities.

Levothyroxine sodium anhydrous Patient Information

Levothyroxine is a synthetic thyroid hormone used for the treatment of hypothyroidism (low thyroid hormone secretion). Inform your physician if you are pregnant or nursing. Take this medication on an empty stomach at approximately the same time each morning. Do not stop taking levothyroxine without talking with your physician. Do not change from one brand of this medication to another without talking with your pharmacist or physician. Notify your physician if headache, nervousness, diarrhea, excessive sweating, chest pain, increased pulse rate, or palpitations occur.

Levothyroxine sodium anhydrous Organisms Affected

Humans and other mammals