Metaxalone

Product NDC: 70934-160
Requested package NDC: 70934-160-20
11-digit product format: 709340160
Labeler code: 70934
Product ID: 70934-160_b933cbc8-ce96-3188-e053-2995a90a00d5
Type: HUMAN PRESCRIPTION DRUG
Nonproprietary name: Metaxalone
Dosage form: TABLET
Route: ORAL
Labeler: Denton Pharma, Inc. DBA Northwind Pharmaceuticals
Application: ANDA203399
Marketing category: ANDA
Marketing start: 2018-08-30
Marketing end: 0000-00-00
Substance: METAXALONE
Active strength: 800 mg/1
Pharmacologic classes: Centrally-mediated Muscle Relaxation [PE]
NDC exclude flag: No
Listing certified through: 2022-12-31
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 · 1 matching rows.

Dataset, Scope, Product NDC table
Dataset	Scope	Product NDC	Package NDC	Code	Status	Reporting period	Source date
excluded package	package	70934-160	70934-160-20	D	Discontinued by firm		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 1 · 12 matching rows.

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

Captured / source date, Snapshot, Source SHA-256 table
Captured / source date	Snapshot	Source SHA-256
2025-12-14 17:58 UTC · source 2025-12-05	`d630ba8d3edf…`	`732f749b63fb…`
2025-08-27 00:01 UTC · source 2025-08-26	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-04-01 02:39 UTC · source 2025-03-31	`2ef7874e63bc…`	`57b86245f4fa…`
2025-03-28 20:22 UTC · source 2025-03-28	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-22 03:12 UTC · source 2025-03-21	`cfe11265f3b6…`	`090c488252e2…`
2025-03-10 12:48 UTC · source 2025-03-10	`cdf11ea48f46…`	`ba0047e9e063…`
2025-02-02 03:52 UTC · source 2025-01-31	`302b2466d912…`	`e7b80fea0513…`
2025-01-20 13:05 UTC · source 2025-01-20	`ed331223b511…`	`672a5bd82f5f…`
2025-01-11 03:41 UTC · source 2025-01-10	`0efc9e666f02…`	`f202fb6c5f17…`
2024-11-09 02:27 UTC · source 2024-11-08	`ad56d346431e…`	`cc804d4bbf1e…`
2024-10-04 04:10 UTC · source 2024-10-03	`367a005e9d99…`	`383a685ebd0f…`
2024-07-10 04:00 UTC · source 2024-07-09	`557ba5c1ecfa…`	`9c80585c8c6e…`

Source provenance: Browse the complete Orange Book source catalog · source snapshot 42.

Orange Book products#

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

Application-product, Trade name, Ingredient table
Application-product	Trade name	Ingredient	Strength	Dosage form / route	TE codes	RLD / RS	Approval date
A203399-001	METAXALONE	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21

Therapeutic equivalence codes#

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

Application-product, TE code table
Application-product	TE code
A203399-001	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 2 · 42 observed states.

Captured, Edition, Application-product table
Captured	Edition	Application-product	Trade name	Strength	Dosage form / route	Product TE source text	RLD / RS	Approval date	Source SHA-256
2026-08-18 06:07:40	2026-07	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`caaa826d4ba7…`
2026-02-19 14:30 UTC	2026-02	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`011fe1cb6892…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`31067a03dcf5…`
2025-08-23 18:47 UTC	2025-08	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`6a471c1ec25d…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`fd3edfee7708…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`b8a1b40f171c…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`03ed91905a0d…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`2680178bc6a6…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`5bbf6a4d5a75…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`d8e5a09893c0…`
2024-10-29 15:01 UTC	2024-10	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`d06236e962d9…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`79d66fd596c7…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`301d65b070ca…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`1e350fbaab3a…`
2024-05-31 18:47 UTC	2024-05	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`8072bd15b7f6…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`5c6f7cd8ea54…`
2022-04-08 23:34 UTC	2022-04	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`5d02ea3f76ae…`
2022-04-04 05:41 UTC	2022-04	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`4b0b4de00fa7…`
2019-12-13 00:20 UTC	2019-12	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`74a2ff9319b5…`
2022-03-09 01:35 UTC	2022-03	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`bb7c543d1eb4…`
2021-12-28 21:50 UTC	2021-12	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`782e0a99824c…`
2021-05-05 16:15 UTC · 3 captures of this ZIP	2021-05	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`87673890dc5c…`
2021-03-12 10:30 UTC	2021-03	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`5aa47cf7b7d7…`
2020-12-22 03:56 UTC	2020-12	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`8869cabd3fbd…`
2020-11-12 02:37 UTC	2020-11	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`c0c555d07b60…`
2019-12-14 00:12 UTC	2019-12	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`3f01610625f2…`
2019-09-15 20:21 UTC	2019-09	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`b00525d2431f…`
2019-07-19 19:46 UTC	2019-07	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`ea99ee380514…`
2024-03-16 18:09 UTC · 4 captures of this ZIP	2024-03	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`6a51e52b5d6a…`
2024-02-18 07:12 UTC	2024-02	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`1c564ffb4f44…`
2023-12-20 04:57 UTC	2023-12	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`ea1830bbd6c7…`
2023-11-28 05:40 UTC · 2 captures of this ZIP	2023-11	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`a72a2bbeb626…`
2023-10-25 00:34 UTC · 2 captures of this ZIP	2023-10	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB	RS	2013-06-21	`9b2671bbb829…`
2023-07-15 15:27 UTC · 2 captures of this ZIP	2023-07	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`a67488948f0b…`
2023-06-13 01:57 UTC · 3 captures of this ZIP	2023-06	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`3f0d92c62455…`
2023-05-13 08:27 UTC	2023-05	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`053a50430f4f…`
2023-01-26 05:58 UTC	2023-01	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`3bdfa0b2c4d7…`
2022-11-12 20:34 UTC · 5 captures of this ZIP	2022-11	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`3a93d1ddd44b…`
2022-10-28 04:53 UTC	2022-10	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`f41ea6bd6efb…`
2022-09-29 23:25 UTC	2022-09	A203399-001	METAXALONE	800MG	TABLET / ORAL	AB		2013-06-21	`e64feba35796…`

Observed Orange Book normalized TE history#

Normalized TE history page 1 of 2 · 42 observed states.

Captured, Edition, Application-product table
Captured	Edition	Application-product	TE code	Order	Source SHA-256
2026-08-18 06:07:40	2026-07	A203399-001	AB	1	`caaa826d4ba7…`
2026-02-19 14:30 UTC	2026-02	A203399-001	AB	1	`011fe1cb6892…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	A203399-001	AB	1	`31067a03dcf5…`
2025-08-23 18:47 UTC	2025-08	A203399-001	AB	1	`6a471c1ec25d…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	A203399-001	AB	1	`fd3edfee7708…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	A203399-001	AB	1	`b8a1b40f171c…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	A203399-001	AB	1	`03ed91905a0d…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	A203399-001	AB	1	`2680178bc6a6…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	A203399-001	AB	1	`5bbf6a4d5a75…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	A203399-001	AB	1	`d8e5a09893c0…`
2024-10-29 15:01 UTC	2024-10	A203399-001	AB	1	`d06236e962d9…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	A203399-001	AB	1	`79d66fd596c7…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	A203399-001	AB	1	`301d65b070ca…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	A203399-001	AB	1	`1e350fbaab3a…`
2024-05-31 18:47 UTC	2024-05	A203399-001	AB	1	`8072bd15b7f6…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	A203399-001	AB	1	`5c6f7cd8ea54…`
2022-04-08 23:34 UTC	2022-04	A203399-001	AB	1	`5d02ea3f76ae…`
2022-04-04 05:41 UTC	2022-04	A203399-001	AB	1	`4b0b4de00fa7…`
2019-12-13 00:20 UTC	2019-12	A203399-001	AB	1	`74a2ff9319b5…`
2022-03-09 01:35 UTC	2022-03	A203399-001	AB	1	`bb7c543d1eb4…`
2021-12-28 21:50 UTC	2021-12	A203399-001	AB	1	`782e0a99824c…`
2021-05-05 16:15 UTC · 3 captures of this ZIP	2021-05	A203399-001	AB	1	`87673890dc5c…`
2021-03-12 10:30 UTC	2021-03	A203399-001	AB	1	`5aa47cf7b7d7…`
2020-12-22 03:56 UTC	2020-12	A203399-001	AB	1	`8869cabd3fbd…`
2020-11-12 02:37 UTC	2020-11	A203399-001	AB	1	`c0c555d07b60…`
2019-12-14 00:12 UTC	2019-12	A203399-001	AB	1	`3f01610625f2…`
2019-09-15 20:21 UTC	2019-09	A203399-001	AB	1	`b00525d2431f…`
2019-07-19 19:46 UTC	2019-07	A203399-001	AB	1	`ea99ee380514…`
2024-03-16 18:09 UTC · 4 captures of this ZIP	2024-03	A203399-001	AB	1	`6a51e52b5d6a…`
2024-02-18 07:12 UTC	2024-02	A203399-001	AB	1	`1c564ffb4f44…`
2023-12-20 04:57 UTC	2023-12	A203399-001	AB	1	`ea1830bbd6c7…`
2023-11-28 05:40 UTC · 2 captures of this ZIP	2023-11	A203399-001	AB	1	`a72a2bbeb626…`
2023-10-25 00:34 UTC · 2 captures of this ZIP	2023-10	A203399-001	AB	1	`9b2671bbb829…`
2023-07-15 15:27 UTC · 2 captures of this ZIP	2023-07	A203399-001	AB	1	`a67488948f0b…`
2023-06-13 01:57 UTC · 3 captures of this ZIP	2023-06	A203399-001	AB	1	`3f0d92c62455…`
2023-05-13 08:27 UTC	2023-05	A203399-001	AB	1	`053a50430f4f…`
2023-01-26 05:58 UTC	2023-01	A203399-001	AB	1	`3bdfa0b2c4d7…`
2022-11-12 20:34 UTC · 5 captures of this ZIP	2022-11	A203399-001	AB	1	`3a93d1ddd44b…`
2022-10-28 04:53 UTC	2022-10	A203399-001	AB	1	`f41ea6bd6efb…`
2022-09-29 23:25 UTC	2022-09	A203399-001	AB	1	`e64feba35796…`

FDA-Initiated Inactive NDC Indexing#

NDC, Effective, Action table
NDC	Effective	Action	Document	Indexing SPL	Related label
70934-160-20	2023-02-01	C162847	48780-1	ba0f9c33-35e2-a910-e053-dadaa90a0b85	Metaxalone Tablets, USP (800 mg) Rx Only
70934-160-20	2021-01-31	C162847	48780-1	ba0f9c33-35e2-a910-e053-dadaa90a0b85	Metaxalone Tablets, USP (800 mg) Rx Only
70934-160-20	2021-01-29	C162847	48780-1	ba0f9c33-35e2-a910-e053-dadaa90a0b85	Metaxalone Tablets, USP (800 mg) Rx Only

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDC	Billing unit	Product NDC	DailyMed indexing SPL	SPL version	Effective
70934-160-20	EA - Each	70934-160	2dcb8dbe-bb40-449b-a479-189eeb7a4e82	1	2018-11-06

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 · 7 matching rows.

Brand, Generic, Manufacturer table
Brand	Generic	Manufacturer	SPL set ID	Effective date	Available safety fields	Join
Metaxalone	METAXALONE	AvKARE	4c3b2aa4-fe65-507c-e063-6394a90a7b00	2026-03-17	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203399 application number: ANDA203399
Metaxalone	METAXALONE	AvKARE	4c3ae824-48a9-fd91-e063-6394a90a9a54	2026-03-04	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203399 application number: ANDA203399
Metaxalone	METAXALONE	AvPAK	9b21a974-6a5a-9efb-e9de-470363217126	2025-11-26	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203399 application number: ANDA203399
Metaxalone	METAXALONE	Amneal Pharmaceuticals LLC	3aa9dba9-29b0-4520-a0f7-66d19d52c6bc	2025-03-28	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203399 application number: ANDA203399
Metaxalone	METAXALONE	Advanced Rx of Tennessee, LLC	b3279496-293e-7e1f-e053-2a95a90ab506	2024-12-31	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203399 application number: ANDA203399
Metaxalone	METAXALONE	Amneal Pharmaceuticals of New York LLC	f06f2b96-3684-483c-89f7-6c9201fd4664	2023-01-11	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203399 application number: ANDA203399
Metaxalone	METAXALONE	Proficient Rx LP	fba1601d-3ac4-41cf-9548-35ec4994a95e	2022-10-01	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203399 application number: ANDA203399

UNII, Preferred term, Registry number table
UNII	Preferred term	Registry number	Matched term
1NMA9J598Y	METAXALONE	1665-48-1	METAXALONE

Packages#

Package NDC, 11-digit format, Description table
Package NDC	11-digit format	Description	Units	Marketing start	Marketing end	Sample	Exclude flag	Status
70934-160-20	70934016020	20 TABLET in 1 BOTTLE, PLASTIC (70934-160-20)	20 tablet	2018-08-30	0000-00-00	No	No	Current

Title, Manufacturer, Effective date table
Title	Manufacturer	Effective date	Type	Version
Metaxalone Tablets, USP (800 mg) Rx Only	Denton Pharma, Inc. DBA Northwind Pharmaceuticals	2021-01-18	HUMAN PRESCRIPTION DRUG LABEL	3