Skip to main content

Levothyroxine Sodium

NDC 51655-537 · Northwind Health Company, LLC

Generic nameLevothyroxine Sodium
Dosage formTABLET
RouteORAL
Active ingredient(s)LEVOTHYROXINE SODIUM
Strength175 ug/1
Pharmacologic classThyroxine [CS], l-Thyroxine [EPC]
Marketing categoryNDA AUTHORIZED GENERIC

Packages

51655-537-52 — 30 TABLET in 1 BOTTLE, PLASTIC (51655-537-52)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

51655-128 — Levothyroxine Sodium, 51655-453 — Levothyroxine Sodium, 51655-479 — Levothyroxine Sodium, 51655-483 — Levothyroxine Sodium, 51655-484 — Levothyroxine Sodium, 51655-485 — Levothyroxine Sodium, 51655-513 — Levothyroxine Sodium, 51655-528 — Levothyroxine Sodium, 51655-529 — levothyroxine sodium, 51655-532 — Levothyroxine Sodium, 51655-544 — Levothyroxine Sodium, 51655-557 — Levothyroxine Sodium, 51655-576 — Levothyroxine Sodium, 51655-578 — Levothyroxine Sodium, 51655-579 — Levothyroxine Sodium, 51655-583 — Levothyroxine Sodium, 51655-604 — levothyroxine sodium, 51655-687 — Levothyroxine Sodium, 51655-694 — Levothyroxine Sodium, 51655-696 — Levothyroxine Sodium, +547 more

From the FDA National Drug Code Directory, retrieved August 24, 2026. Product listings are submitted by labelers; FDA does not verify them.

Read from: FDA National Drug Code Directory, product.txt and package.txt (accessdata.fda.gov/cder/ndctext.zip) — Snapshot retrieved 2026-08-24, loaded 2026-08-24; CMS Medicare Part B Drug Average Sales Price (ASP) Pricing Files (cms.gov/medicare/payment/part-b-drugs/asp-pricing-files) -- the NDC-HCPCS crosswalk and Part B payment limit files — 2026 Q3 (July 2026 release). All data sources · How to read the labels