levothyroxine

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Related to Levo-t: levothyroxine sodium

levothyroxine

 [le″vo-thi-rok´sin]
l-thyroxine, obtained from the thyroid gland of domesticated food animals or prepared synthetically; used for replacement therapy in hypothyroidism and for the prophylaxis and treatment of goiter and of thyroid cancer; administered orally, intravenously, or intramuscularly as the sodium salt.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

levothyroxine

(lē′və-thī-rŏk′sēn′, -sĭn)
n.
An isomer of thyroxine, C15H10I4NO4, used in the form of its sodium salt to treat thyroxine deficiency.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

levothyroxine

Thyroid hormone as a sodium salt used to treat hypothyroidism. The drug is on the WHO official list. A brand name is Thyronine.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005