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(levothyroxine sodium) Tablets, USP


NOVOTHYROX (levothyroxine sodium tablets, USP) contains synthetic crystalline L-3, 3', 5, 5'-tetraiodothyronine sodium salt [levothyroxine (T4) sodium]. Synthetic T4 is identical to that produced in the human thyroid gland. Levothyroxine (T4) sodium has an empirical formula of C15H10I4NNaO4•H2O, molecular weight of 798.86 g/mol (anhydrous), and structural formula as shown:

  (levothyroxine sodium tablets, USP) Structural Formula Illustration

Inactive Ingredients

NOVOTHYROX (levothyroxine sodium tablets, USP) contain the following inactive ingredients: corn starch, croscarmellose sodium, gelatin, lactose monohydrate, and magnesium stearate. All strengths of NOVOTHYROX (levothyroxine sodium tablets) tablets are formulated without color additives for patients who are sensitive to dyes.

Last reviewed on RxList: 4/22/2009
This monograph has been modified to include the generic and brand name in many instances.

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