Isoniazid

Product NDC: 52959-145
11-digit product format: 529590145
Labeler code: 52959
Product ID: 52959-145_aa8209f7-358e-4f9c-aaaf-1bde912f0a68
Type: HUMAN PRESCRIPTION DRUG
Nonproprietary name: Isoniazid
Dosage form: TABLET
Route: ORAL
Labeler: H.J. Harkins Company, Inc.
Application: ANDA087425
Marketing category: ANDA
Marketing start: 1981-07-14
Marketing end: 0000-00-00
Substance: ISONIAZID
Active strength: 300 mg/1
Pharmacologic classes: Antimycobacterial [EPC]
NDC exclude flag: E
Listing certified through: 2018-12-31
Current FDA listing: Historical FDA.report record

NDC auxiliary status#

These records are reproduced from FDA’s unfinished, excluded, and compounder listings. They describe what appeared in the source files; a missing record does not establish a regulatory status. View all current auxiliary records, including entries without an NDC. · View the auxiliary file history.

Current NDC status page 1 of 1 · 7 matching rows.

Dataset, Scope, Product NDC table
Dataset	Scope	Product NDC	Package NDC	Code	Status	Source date
excluded product	product	52959-145		I	Inactivated by FDA	2026-08-17
excluded package	package	52959-145	52959-145-00	I	Inactivated by FDA	2026-08-17
excluded package	package	52959-145	52959-145-02	I	Inactivated by FDA	2026-08-17
excluded package	package	52959-145	52959-145-30	I	Inactivated by FDA	2026-08-17
excluded package	package	52959-145	52959-145-50	I	Inactivated by FDA	2026-08-17
excluded package	package	52959-145	52959-145-60	I	Inactivated by FDA	2026-08-17
excluded package	package	52959-145	52959-145-81	I	Inactivated by FDA	2026-08-17

Observed NDC auxiliary status history#

This history shows the information present in each captured FDA auxiliary file. It is not a continuous regulatory timeline, and a missing record does not establish a status.

Historic NDC status page 1 of 3 · 154 matching rows.

View current auxiliary records. · View the auxiliary file history.

Captured / source date, Dataset, Scope table
Captured / source date	Dataset	Scope	Package NDC	Snapshot	Source SHA-256
2025-12-14 17:58 UTC · source 2025-12-05	excluded product	product		`d630ba8d3edf…`	`732f749b63fb…`
2025-12-14 17:58 UTC · source 2025-12-05	excluded package	package	52959-145-00	`d630ba8d3edf…`	`732f749b63fb…`
2025-12-14 17:58 UTC · source 2025-12-05	excluded package	package	52959-145-50	`d630ba8d3edf…`	`732f749b63fb…`
2025-12-14 17:58 UTC · source 2025-12-05	excluded package	package	52959-145-81	`d630ba8d3edf…`	`732f749b63fb…`
2025-12-14 17:58 UTC · source 2025-12-05	excluded package	package	52959-145-30	`d630ba8d3edf…`	`732f749b63fb…`
2025-12-14 17:58 UTC · source 2025-12-05	excluded package	package	52959-145-60	`d630ba8d3edf…`	`732f749b63fb…`
2025-12-14 17:58 UTC · source 2025-12-05	excluded package	package	52959-145-02	`d630ba8d3edf…`	`732f749b63fb…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded product	product		`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded package	package	52959-145-00	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded package	package	52959-145-50	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded package	package	52959-145-81	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded package	package	52959-145-30	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded package	package	52959-145-60	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded package	package	52959-145-02	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded product	product		`2ef7874e63bc…`	`57b86245f4fa…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded package	package	52959-145-00	`2ef7874e63bc…`	`57b86245f4fa…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded package	package	52959-145-50	`2ef7874e63bc…`	`57b86245f4fa…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded package	package	52959-145-81	`2ef7874e63bc…`	`57b86245f4fa…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded package	package	52959-145-30	`2ef7874e63bc…`	`57b86245f4fa…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded package	package	52959-145-60	`2ef7874e63bc…`	`57b86245f4fa…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded package	package	52959-145-02	`2ef7874e63bc…`	`57b86245f4fa…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded product	product		`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded package	package	52959-145-00	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded package	package	52959-145-50	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded package	package	52959-145-81	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded package	package	52959-145-30	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded package	package	52959-145-60	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded package	package	52959-145-02	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded product	product		`cfe11265f3b6…`	`090c488252e2…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded package	package	52959-145-00	`cfe11265f3b6…`	`090c488252e2…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded package	package	52959-145-50	`cfe11265f3b6…`	`090c488252e2…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded package	package	52959-145-81	`cfe11265f3b6…`	`090c488252e2…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded package	package	52959-145-30	`cfe11265f3b6…`	`090c488252e2…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded package	package	52959-145-60	`cfe11265f3b6…`	`090c488252e2…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded package	package	52959-145-02	`cfe11265f3b6…`	`090c488252e2…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded product	product		`cdf11ea48f46…`	`ba0047e9e063…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded package	package	52959-145-00	`cdf11ea48f46…`	`ba0047e9e063…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded package	package	52959-145-50	`cdf11ea48f46…`	`ba0047e9e063…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded package	package	52959-145-81	`cdf11ea48f46…`	`ba0047e9e063…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded package	package	52959-145-30	`cdf11ea48f46…`	`ba0047e9e063…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded package	package	52959-145-60	`cdf11ea48f46…`	`ba0047e9e063…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded package	package	52959-145-02	`cdf11ea48f46…`	`ba0047e9e063…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded product	product		`302b2466d912…`	`e7b80fea0513…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded package	package	52959-145-00	`302b2466d912…`	`e7b80fea0513…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded package	package	52959-145-50	`302b2466d912…`	`e7b80fea0513…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded package	package	52959-145-81	`302b2466d912…`	`e7b80fea0513…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded package	package	52959-145-30	`302b2466d912…`	`e7b80fea0513…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded package	package	52959-145-60	`302b2466d912…`	`e7b80fea0513…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded package	package	52959-145-02	`302b2466d912…`	`e7b80fea0513…`
2025-01-20 13:05 UTC · source 2025-01-20	excluded product	product		`ed331223b511…`	`672a5bd82f5f…`
2025-01-20 13:05 UTC · source 2025-01-20	excluded package	package	52959-145-00	`ed331223b511…`	`672a5bd82f5f…`
2025-01-20 13:05 UTC · source 2025-01-20	excluded package	package	52959-145-50	`ed331223b511…`	`672a5bd82f5f…`
2025-01-20 13:05 UTC · source 2025-01-20	excluded package	package	52959-145-81	`ed331223b511…`	`672a5bd82f5f…`
2025-01-20 13:05 UTC · source 2025-01-20	excluded package	package	52959-145-30	`ed331223b511…`	`672a5bd82f5f…`
2025-01-20 13:05 UTC · source 2025-01-20	excluded package	package	52959-145-60	`ed331223b511…`	`672a5bd82f5f…`
2025-01-20 13:05 UTC · source 2025-01-20	excluded package	package	52959-145-02	`ed331223b511…`	`672a5bd82f5f…`
2025-01-11 03:41 UTC · source 2025-01-10	excluded product	product		`0efc9e666f02…`	`f202fb6c5f17…`
2025-01-11 03:41 UTC · source 2025-01-10	excluded package	package	52959-145-00	`0efc9e666f02…`	`f202fb6c5f17…`
2025-01-11 03:41 UTC · source 2025-01-10	excluded package	package	52959-145-50	`0efc9e666f02…`	`f202fb6c5f17…`
2025-01-11 03:41 UTC · source 2025-01-10	excluded package	package	52959-145-81	`0efc9e666f02…`	`f202fb6c5f17…`

Source provenance: Browse the complete Orange Book source catalog.

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 2 · 41 observed states.

Captured, Edition, Application-product table
Captured	Edition	Application-product	Trade name	Strength	Dosage form / route	RLD / RS	Source SHA-256
2026-02-19 14:30 UTC	2026-02	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`011fe1cb6892…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`31067a03dcf5…`
2025-08-23 18:47 UTC	2025-08	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`6a471c1ec25d…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`fd3edfee7708…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`b8a1b40f171c…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`03ed91905a0d…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`2680178bc6a6…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`5bbf6a4d5a75…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`d8e5a09893c0…`
2024-10-29 15:01 UTC	2024-10	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`d06236e962d9…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`79d66fd596c7…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`301d65b070ca…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`1e350fbaab3a…`
2024-05-31 18:47 UTC	2024-05	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`8072bd15b7f6…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`5c6f7cd8ea54…`
2022-04-08 23:34 UTC	2022-04	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`5d02ea3f76ae…`
2022-04-04 05:41 UTC	2022-04	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`4b0b4de00fa7…`
2019-12-13 00:20 UTC	2019-12	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`74a2ff9319b5…`
2022-03-09 01:35 UTC	2022-03	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`bb7c543d1eb4…`
2021-12-28 21:50 UTC	2021-12	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`782e0a99824c…`
2021-05-05 16:15 UTC · 3 captures of this ZIP	2021-05	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`87673890dc5c…`
2021-03-12 10:30 UTC	2021-03	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`5aa47cf7b7d7…`
2020-12-22 03:56 UTC	2020-12	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`8869cabd3fbd…`
2020-11-12 02:37 UTC	2020-11	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`c0c555d07b60…`
2019-12-14 00:12 UTC	2019-12	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`3f01610625f2…`
2019-09-15 20:21 UTC	2019-09	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`b00525d2431f…`
2019-07-19 19:46 UTC	2019-07	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`ea99ee380514…`
2024-03-16 18:09 UTC · 4 captures of this ZIP	2024-03	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`6a51e52b5d6a…`
2024-02-18 07:12 UTC	2024-02	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`1c564ffb4f44…`
2023-12-20 04:57 UTC	2023-12	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`ea1830bbd6c7…`
2023-11-28 05:40 UTC · 2 captures of this ZIP	2023-11	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`a72a2bbeb626…`
2023-10-25 00:34 UTC · 2 captures of this ZIP	2023-10	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`9b2671bbb829…`
2023-07-15 15:27 UTC · 2 captures of this ZIP	2023-07	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`a67488948f0b…`
2023-06-13 01:57 UTC · 3 captures of this ZIP	2023-06	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`3f0d92c62455…`
2023-05-13 08:27 UTC	2023-05	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`053a50430f4f…`
2023-01-26 05:58 UTC	2023-01	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`3bdfa0b2c4d7…`
2022-11-12 20:34 UTC · 5 captures of this ZIP	2022-11	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`3a93d1ddd44b…`
2022-10-28 04:53 UTC	2022-10	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`f41ea6bd6efb…`
2022-09-29 23:25 UTC	2022-09	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`e64feba35796…`
2022-07-09 03:26 UTC · 3 captures of this ZIP	2022-07	A087425-001	ISONIAZID	300MG	TABLET / ORAL	Approved before 1982	`cb3db0bc1861…`

DailyMed Product Concepts#

Product concept, Relation, Version table
Product concept	Relation	Version	Effective
0c158ae5-31fa-5bc4-3cf2-0aa120f1417d	Product name	1	20140508
26abd97e-907b-0cb8-84ee-99fb15297ada	Product name	1	20140508
7cf7f62d-3767-728f-c117-96e96c1ed8bf	Product name	1	20140508
9e3dea0d-7fd5-1a7e-e095-3b9e72f40538	Product name	1	20140508

FDA-Initiated Inactive NDC Indexing#

NDC, Related label table
NDC	Related label
52959-145-00	ISONIAZID TABLETS, USP
52959-145-02	ISONIAZID TABLETS, USP
52959-145-30	ISONIAZID TABLETS, USP
52959-145-50	ISONIAZID TABLETS, USP
52959-145-60	ISONIAZID TABLETS, USP
52959-145-81	ISONIAZID TABLETS, USP

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDC	Product	Description	Form	Quantity	SPL version
52959-145-00	Isoniazid	100 in 1 BOTTLE	TABLET	100	1
52959-145-02	Isoniazid	270 in 1 BOTTLE	TABLET	270	1
52959-145-30	Isoniazid	30 in 1 BOTTLE	TABLET	30	1
52959-145-50	Isoniazid	50 in 1 BOTTLE	TABLET	50	1
52959-145-60	Isoniazid	60 in 1 BOTTLE	TABLET	60	1
52959-145-81	Isoniazid	180 in 1 BOTTLE	TABLET	180	1

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDC	Billing unit	Product NDC	DailyMed indexing SPL	SPL version	Effective
52959-145-00	EA - Each	52959-145	056c9e2e-db91-4a6c-922b-ce640b276f1a	1	2012-07-24
52959-145-30	EA - Each	52959-145	95ef8986-ab18-4955-a4d5-ac0cb666ba07	1	2012-07-24
52959-145-50	EA - Each	52959-145	061f28a0-14a1-4c55-b034-693844c8b029	1	2012-07-24
52959-145-60	EA - Each	52959-145	b5a3f903-ae30-47a3-948a-0da3b69e2d29	1	2012-07-24
52959-145-81	EA - Each	52959-145	23e357e1-4873-419a-8290-1b7c0f08ac31	1	2012-07-24

DailyMed Socrata Ingredients#

Ingredient, Type, UNII table
Ingredient	Type	UNII	DailyMed label	SPL version
ISONIAZID	ACTIVE INGREDIENT	V83O1VOZ8L	ISONIAZID TABLET [H.J. HARKINS COMPANY, INC.]	1
ISONIAZID	ACTIVE MOIETY	V83O1VOZ8L	ISONIAZID TABLET [H.J. HARKINS COMPANY, INC.]	1
ANHYDROUS LACTOSE	INACTIVE INGREDIENT	3SY5LH9PMK	ISONIAZID TABLET [H.J. HARKINS COMPANY, INC.]	1
CALCIUM STEARATE	INACTIVE INGREDIENT	776XM7047L	ISONIAZID TABLET [H.J. HARKINS COMPANY, INC.]	1
CELLULOSE, MICROCRYSTALLINE	INACTIVE INGREDIENT	OP1R32D61U	ISONIAZID TABLET [H.J. HARKINS COMPANY, INC.]	1
COLLOIDAL SILICON DIOXIDE	INACTIVE INGREDIENT	ETJ7Z6XBU4	ISONIAZID TABLET [H.J. HARKINS COMPANY, INC.]	1
STEARIC ACID	INACTIVE INGREDIENT	4ELV7Z65AP	ISONIAZID TABLET [H.J. HARKINS COMPANY, INC.]	1

DailyMed Dashboard NDC Coverage#

NDC, Dashboard title, SPL version table
NDC	Dashboard title	SPL version	Validation	Dashboard ZIP
52959-145	ISONIAZID TABLET [H.J. HARKINS COMPANY, INC.]	1	Legacy NDC, 6 package rows	20111208_e43d77c2-f7e8-4d84-9425-37adb38410f0.zip

UNII, Preferred term, Registry number table
UNII	Preferred term	Registry number	Matched term
V83O1VOZ8L	ISONIAZID	54-85-3	ISONIAZID

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUI	RxNorm string	TTY	DailyMed	SPL version
197832	isoniazid 300 MG Oral Tablet	PSN	e43d77c2-f7e8-4d84-9425-37adb38410f0	1
197832	isoniazid 300 MG Oral Tablet	SCD	e43d77c2-f7e8-4d84-9425-37adb38410f0	1
197832	INH 300 MG Oral Tablet	SY	e43d77c2-f7e8-4d84-9425-37adb38410f0	1

Packages#

Package NDC, 11-digit format, Description table
Package NDC	11-digit format	Description	Status
52959-145-00	52959014500	100 in 1 BOTTLE	Historical
52959-145-02	52959014502	270 in 1 BOTTLE	Historical
52959-145-30	52959014530	30 in 1 BOTTLE	Historical
52959-145-50	52959014550	50 in 1 BOTTLE	Historical
52959-145-60	52959014560	60 in 1 BOTTLE	Historical
52959-145-81	52959014581	180 in 1 BOTTLE	Historical

Title, Manufacturer, Effective date table
Title	Manufacturer	Effective date	Type	Version
ISONIAZID TABLETS, USP	H.J. Harkins Company, Inc. \| West-ward Pharmaceutical Corp	2011-10-12	HUMAN PRESCRIPTION DRUG LABEL	1