Source: FDA, National Drug Code (US) Revision Year: 2020
LEVOXYL contains the active ingredient, levothyroxine, asynthetic crystalline levothyroxine (T4) in sodium salt form. It is chemically designated as L-3,3',5,5'-tetraiodothyronine monosodium hydrate. Synthetic T4 is identical in chemical structure to the T4 produced in the human thyroid gland. Levothyroxine sodium has an empirical formula of C15H10I4N NaO4∙H2O, molecular weight of 798.85 g/mol (anhydrous), and structural formula as shown:
LEVOXYL tablets for oral administration are supplied in the following strengths: 25 mcg, 50 mcg, 75 mcg, 88 mcg, 100 mcg, 112 mcg, 125 mcg, 137 mcg, 150 mcg, 175 mcg, and 200 mcg.
Inactive Ingredients: Calcium sulfate dihydrate, croscarmellose sodium, magnesium stearate, microcrystalline cellulose, and sodium bicarbonate. The following are the coloring additives per tablet strength:
Strength (mcg) | Color additive(s) |
---|---|
25 | FD&C Yellow No. 6 Aluminum Lake |
50 | None |
75 | FD&C Blue No. 1 Aluminum Lake, D&C Red No. 30 Aluminum Lake |
88 | FD&C Yellow No. 6 Aluminum Lake, FD&C Blue No. 1 Aluminum Lake, D&C Yellow No. 10 Aluminum Lake |
100 | FD&C Yellow No. 6 Aluminum Lake, D&C Yellow No. 10 Aluminum Lake |
112 | FD&C Yellow No. 6 Aluminum Lake, FD&C Red No. 40 Aluminum Lake, D&C Red No. 30 Aluminum Lake |
125 | FD&C Red No. 40 Aluminum Lake, D&C Yellow No. 10 Aluminum Lake |
137 | FD&C Blue No. 1 Aluminum Lake |
150 | FD&C Blue No. 1 Aluminum Lake, D&C Red No. 30 Aluminum Lake |
175 | FD&C Blue No. 1 Aluminum Lake, D&C Yellow No. 10 Aluminum Lake |
200 | D&C Red No. 30 Aluminum Lake, D&C Yellow No. 10 Aluminum Lake |
Dosage Forms and Strengths | ||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
LEVOXYL tablets are oval, color-coded and, potency marked available as follows:
|
How Supplied | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
LEVOXYL (levothyroxine sodium) tablets are oval, color-coded and, potency marked available as follows:
|
Drug | Countries | |
---|---|---|
LEVOXYL | United States |
© All content on this website, including data entry, data processing, decision support tools, "RxReasoner" logo and graphics, is the intellectual property of RxReasoner and is protected by copyright laws. Unauthorized reproduction or distribution of any part of this content without explicit written permission from RxReasoner is strictly prohibited. Any third-party content used on this site is acknowledged and utilized under fair use principles.