Liothyronine Sodium

Product NDC: 59762-1207
11-digit product format: 597621207
Labeler code: 59762
Product ID: 59762-1207_2534237c-0bd6-4b79-bc27-bd7aa8990ed7
Type: HUMAN PRESCRIPTION DRUG
Nonproprietary name: liothyronine sodium
Dosage form: TABLET
Route: ORAL
Labeler: Mylan Pharmaceuticals Inc.
Application: NDA010379
Marketing category: NDA AUTHORIZED GENERIC
Marketing start: 2019-06-24
Substance: LIOTHYRONINE SODIUM
Active strength: 25 ug/1
Pharmacologic classes: Triiodothyronine [CS], l-Triiodothyronine [EPC]
NDC exclude flag: No
Listing certified through: 2027-12-31
Current FDA listing: Yes

Source provenance: Browse the complete Orange Book source catalog · source snapshot 1.

Orange Book products#

Current product rows page 1 of 1 · 3 matching rows.

Application-product, Trade name, Ingredient table
Application-product	Trade name	Ingredient	Strength	Dosage form / route	TE codes	RLD / RS
N010379-001	CYTOMEL	LIOTHYRONINE SODIUM	EQ 0.005MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982
N010379-002	CYTOMEL	LIOTHYRONINE SODIUM	EQ 0.025MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982
N010379-003	CYTOMEL	LIOTHYRONINE SODIUM	EQ 0.05MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982

Therapeutic equivalence codes#

Current TE-code rows page 1 of 1 · 3 matching rows.

Application-product, TE code table
Application-product	TE code
N010379-001	AB
N010379-002	AB
N010379-003	AB

Observed Orange Book product history#

Observed FDA ZIP history: Each table is queried independently by exact application/product key from successfully parsed Orange Book snapshots. Capture times identify archived source observations; absence or a change between snapshots is not inferred. FDA publication files that were not recoverable as structured ZIP data are not represented as states.

Product history page 1 of 4 · 123 observed states.

Captured, Edition, Application-product table
Captured	Edition	Application-product	Trade name	Strength	Dosage form / route	Product TE source text	RLD / RS	Source SHA-256
2026-02-19 14:30 UTC	2026-02	N010379-001	CYTOMEL	EQ 0.005MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`011fe1cb6892…`
2026-02-19 14:30 UTC	2026-02	N010379-002	CYTOMEL	EQ 0.025MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`011fe1cb6892…`
2026-02-19 14:30 UTC	2026-02	N010379-003	CYTOMEL	EQ 0.05MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`011fe1cb6892…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	N010379-001	CYTOMEL	EQ 0.005MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`31067a03dcf5…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	N010379-002	CYTOMEL	EQ 0.025MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`31067a03dcf5…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	N010379-003	CYTOMEL	EQ 0.05MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`31067a03dcf5…`
2025-08-23 18:47 UTC	2025-08	N010379-001	CYTOMEL	EQ 0.005MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`6a471c1ec25d…`
2025-08-23 18:47 UTC	2025-08	N010379-002	CYTOMEL	EQ 0.025MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`6a471c1ec25d…`
2025-08-23 18:47 UTC	2025-08	N010379-003	CYTOMEL	EQ 0.05MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`6a471c1ec25d…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	N010379-001	CYTOMEL	EQ 0.005MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`fd3edfee7708…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	N010379-002	CYTOMEL	EQ 0.025MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`fd3edfee7708…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	N010379-003	CYTOMEL	EQ 0.05MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`fd3edfee7708…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	N010379-001	CYTOMEL	EQ 0.005MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`b8a1b40f171c…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	N010379-002	CYTOMEL	EQ 0.025MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`b8a1b40f171c…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	N010379-003	CYTOMEL	EQ 0.05MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`b8a1b40f171c…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	N010379-001	CYTOMEL	EQ 0.005MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`03ed91905a0d…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	N010379-002	CYTOMEL	EQ 0.025MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`03ed91905a0d…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	N010379-003	CYTOMEL	EQ 0.05MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`03ed91905a0d…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	N010379-001	CYTOMEL	EQ 0.005MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`2680178bc6a6…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	N010379-002	CYTOMEL	EQ 0.025MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`2680178bc6a6…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	N010379-003	CYTOMEL	EQ 0.05MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`2680178bc6a6…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	N010379-001	CYTOMEL	EQ 0.005MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`5bbf6a4d5a75…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	N010379-002	CYTOMEL	EQ 0.025MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`5bbf6a4d5a75…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	N010379-003	CYTOMEL	EQ 0.05MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`5bbf6a4d5a75…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	N010379-001	CYTOMEL	EQ 0.005MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`d8e5a09893c0…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	N010379-002	CYTOMEL	EQ 0.025MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`d8e5a09893c0…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	N010379-003	CYTOMEL	EQ 0.05MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`d8e5a09893c0…`
2024-10-29 15:01 UTC	2024-10	N010379-001	CYTOMEL	EQ 0.005MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`d06236e962d9…`
2024-10-29 15:01 UTC	2024-10	N010379-002	CYTOMEL	EQ 0.025MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`d06236e962d9…`
2024-10-29 15:01 UTC	2024-10	N010379-003	CYTOMEL	EQ 0.05MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`d06236e962d9…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	N010379-001	CYTOMEL	EQ 0.005MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`79d66fd596c7…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	N010379-002	CYTOMEL	EQ 0.025MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`79d66fd596c7…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	N010379-003	CYTOMEL	EQ 0.05MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`79d66fd596c7…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	N010379-001	CYTOMEL	EQ 0.005MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`301d65b070ca…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	N010379-002	CYTOMEL	EQ 0.025MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`301d65b070ca…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	N010379-003	CYTOMEL	EQ 0.05MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`301d65b070ca…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	N010379-001	CYTOMEL	EQ 0.005MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`1e350fbaab3a…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	N010379-002	CYTOMEL	EQ 0.025MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`1e350fbaab3a…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	N010379-003	CYTOMEL	EQ 0.05MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`1e350fbaab3a…`
2024-05-31 18:47 UTC	2024-05	N010379-001	CYTOMEL	EQ 0.005MG BASE	TABLET / ORAL	AB	RLD, Approved before 1982	`8072bd15b7f6…`

Observed Orange Book normalized TE history#

Normalized TE history page 1 of 4 · 123 observed states.

Captured, Edition, Application-product table
Captured	Edition	Application-product	TE code	Order	Source SHA-256
2026-02-19 14:30 UTC	2026-02	N010379-001	AB	1	`011fe1cb6892…`
2026-02-19 14:30 UTC	2026-02	N010379-002	AB	1	`011fe1cb6892…`
2026-02-19 14:30 UTC	2026-02	N010379-003	AB	1	`011fe1cb6892…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	N010379-001	AB	1	`31067a03dcf5…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	N010379-002	AB	1	`31067a03dcf5…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	N010379-003	AB	1	`31067a03dcf5…`
2025-08-23 18:47 UTC	2025-08	N010379-001	AB	1	`6a471c1ec25d…`
2025-08-23 18:47 UTC	2025-08	N010379-002	AB	1	`6a471c1ec25d…`
2025-08-23 18:47 UTC	2025-08	N010379-003	AB	1	`6a471c1ec25d…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	N010379-001	AB	1	`fd3edfee7708…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	N010379-002	AB	1	`fd3edfee7708…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	N010379-003	AB	1	`fd3edfee7708…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	N010379-001	AB	1	`b8a1b40f171c…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	N010379-002	AB	1	`b8a1b40f171c…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	N010379-003	AB	1	`b8a1b40f171c…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	N010379-001	AB	1	`03ed91905a0d…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	N010379-002	AB	1	`03ed91905a0d…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	N010379-003	AB	1	`03ed91905a0d…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	N010379-001	AB	1	`2680178bc6a6…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	N010379-002	AB	1	`2680178bc6a6…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	N010379-003	AB	1	`2680178bc6a6…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	N010379-001	AB	1	`5bbf6a4d5a75…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	N010379-002	AB	1	`5bbf6a4d5a75…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	N010379-003	AB	1	`5bbf6a4d5a75…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	N010379-001	AB	1	`d8e5a09893c0…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	N010379-002	AB	1	`d8e5a09893c0…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	N010379-003	AB	1	`d8e5a09893c0…`
2024-10-29 15:01 UTC	2024-10	N010379-001	AB	1	`d06236e962d9…`
2024-10-29 15:01 UTC	2024-10	N010379-002	AB	1	`d06236e962d9…`
2024-10-29 15:01 UTC	2024-10	N010379-003	AB	1	`d06236e962d9…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	N010379-001	AB	1	`79d66fd596c7…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	N010379-002	AB	1	`79d66fd596c7…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	N010379-003	AB	1	`79d66fd596c7…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	N010379-001	AB	1	`301d65b070ca…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	N010379-002	AB	1	`301d65b070ca…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	N010379-003	AB	1	`301d65b070ca…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	N010379-001	AB	1	`1e350fbaab3a…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	N010379-002	AB	1	`1e350fbaab3a…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	N010379-003	AB	1	`1e350fbaab3a…`
2024-05-31 18:47 UTC	2024-05	N010379-001	AB	1	`8072bd15b7f6…`

Additional Listing Data#

Finished product: Yes
Brand name base: Liothyronine Sodium
Listing expiration: 2027-12-31

Active Ingredients#

Ingredient, Strength table
Ingredient	Strength
LIOTHYRONINE SODIUM	25 ug/1

Harmonized UNII identifiers#

UNII identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
Identifier	FDA.report destination
GCA9VV7D2N	Internal UNII lookup

Harmonized RxCUI identifiers#

RxCUI identifiers page 1 of 1 · 3 matching rows.

Identifier, FDA.report destination table
Identifier	FDA.report destination
903456	Internal RxNorm lookup
903697	Internal RxNorm lookup
903703	Internal RxNorm lookup

Harmonized SPL set identifiers#

SPL set identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
Identifier	FDA.report destination
115a84c2-0126-4dd7-816e-1873875f1e49	Available on FDA.report

DailyMed Product Concepts#

Product concept, Relation, Version table
Product concept	Relation	Version	Effective
b42496cd-a994-8ba1-597f-e507aa62246e	Product name	5	20250116

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDC	Product	Description	Form	Quantity	Strength	SPL version
59762-1207-1	Liothyronine Sodium	100 in 1 BOTTLE	TABLET	100		8

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDC	Billing unit	Product NDC	DailyMed indexing SPL	SPL version	Effective
59762-1207-1	EA - Each	59762-1207	d0f50fa7-284b-4945-9c41-695dbd206376	1	2019-07-02

DailyMed Dashboard NDC Coverage#

NDC, Dashboard title, SPL version table
NDC	Dashboard title	SPL version	Validation	Dashboard ZIP
59762-1207	LIOTHYRONINE SODIUM TABLET [MYLAN PHARMACEUTICALS INC.]	6	Current NDC, Legacy NDC, 1 package rows	20250523_115a84c2-0126-4dd7-816e-1873875f1e49.zip

openFDA label cross-check#

OpenFDA label data provides additional search and identifier links. DailyMed’s Structured Product Label is the canonical label on FDA.report. Matching records are deduplicated before they are shown below.

Matched openFDA labels page 1 of 1 · 2 matching rows.

Brand, Generic, Manufacturer table
Brand	Generic	Manufacturer	SPL set ID	Effective date	Available safety fields	Join
Liothyronine Sodium	LIOTHYRONINE SODIUM	Mylan Pharmaceuticals Inc.	115a84c2-0126-4dd7-816e-1873875f1e49	2026-06-04	Boxed warning, Warnings, Adverse reactions	Exact identifier application applno (NDA): 010379 application number: NDA010379 ndc (product): 59762-1207
Cytomel	LIOTHYRONINE SODIUM	Pfizer Laboratories Div Pfizer Inc	51452b31-ff68-4e0c-b982-c15502ebf1d3	2026-05-18	Boxed warning, Warnings, Adverse reactions	Exact identifier application applno (NDA): 010379 application number: NDA010379

UNII, Preferred term, Registry number table
UNII	Preferred term	Registry number	Matched term
GCA9VV7D2N	LIOTHYRONINE SODIUM	55-06-1	LIOTHYRONINE SODIUM

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUI	RxNorm string	TTY	DailyMed	SPL version
903697	liothyronine sodium 25 MCG Oral Tablet	PSN	115a84c2-0126-4dd7-816e-1873875f1e49	8
903456	liothyronine sodium 5 MCG Oral Tablet	PSN	115a84c2-0126-4dd7-816e-1873875f1e49	8
903703	liothyronine sodium 50 MCG Oral Tablet	PSN	115a84c2-0126-4dd7-816e-1873875f1e49	8
903456	liothyronine sodium 0.005 MG Oral Tablet	SCD	115a84c2-0126-4dd7-816e-1873875f1e49	8
903697	liothyronine sodium 0.025 MG Oral Tablet	SCD	115a84c2-0126-4dd7-816e-1873875f1e49	8
903703	liothyronine sodium 0.05 MG Oral Tablet	SCD	115a84c2-0126-4dd7-816e-1873875f1e49	8
903697	liothyronine sodium 25 MCG Oral Tablet	SY	115a84c2-0126-4dd7-816e-1873875f1e49	8
903456	liothyronine sodium 5 MCG Oral Tablet	SY	115a84c2-0126-4dd7-816e-1873875f1e49	8
903703	liothyronine sodium 50 MCG Oral Tablet	SY	115a84c2-0126-4dd7-816e-1873875f1e49	8

Packages#

Package NDC, 11-digit format, Description table
Package NDC	11-digit format	Description	Units	Marketing start	Marketing end	Sample	Exclude flag	Status
59762-1207-1	59762120701	100 TABLET in 1 BOTTLE (59762-1207-1)	100 tablet	2019-06-24	0000-00-00	No	No	Current

Title, Manufacturer, Effective date table
Title	Manufacturer	Effective date	Type	Version
Liothyronine Sodium	Mylan Pharmaceuticals Inc. \| Pfizer Inc	2026-06-04	HUMAN PRESCRIPTION DRUG LABEL	9