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Hypothyroidism is a condition characterized by abnormally low thyroid hormone production. There are many disorders that result in hypothyroidism. These disorders may directly or indirectly involve the thyroid gland. Because thyroid hormone affects growth, development, and many cellular processes, inadequate thyroid hormone has widespread consequences for the body.
This article will focus specifically on hypothyroidism in adults.
Thyroid hormones are produced by the thyroid gland. This gland is located in the lower part of the neck, below the Adam's apple. The gland wraps around the windpipe (trachea) and has a shape that is similar to a butterfly - formed by two wings (lobes) and attached by a middle part (isthmus).
The thyroid gland uses iodine (mostly available from the diet in foods such as seafood, bread, and salt) to produce thyroid hormones....
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Thyrolar® Tablets
(liotrix) Tablets, USP
Thyrolar Tablets (Liotrix Tablets, USP) contain triiodothyronine (T3 liothyronine) sodium and tetraiodothyronine (T4levothyroxine) sodium in the amounts listed in the "How Supplied" section. (T3 liothyronine sodium is approximately four times as potent as T4thyroxine on a microgram for microgram basis.)
The inactive ingredients are calcium phosphate, colloidal silicon dioxide, corn starch, lactose, and magnesium stearate. The tablets also contain the following dyes: Thyrolar (liotrix) 1/4 - FD&C Blue #1 and FD&C Red #40; Thyrolar (liotrix) ½ - FD&C Red #40 and D&C Yellow #10; Thyrolar (liotrix) 1 - FD&C Red #40; Thyrolar (liotrix) 2 - FD&C Blue #1, FD&C Red #40, and D&C Yellow #10; Thyrolar (liotrix) 3 - FD&C Red #40 and D&C Yellow #10.
STRUCTURAL FORMULAS
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Last reviewed on RxList: 5/7/2009
This monograph has been modified to include the generic and brand name in many instances.
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