tizanidine hydrochloride

Product NDC: 0185-0034
Requested package NDC: 0185-0034-10
11-digit product format: 001850034
Labeler code: 0185
Product ID: 0185-0034_2773d3c8-40a1-4a53-b67a-097c910f3ae0
Type: HUMAN PRESCRIPTION DRUG
Nonproprietary name: tizanidine hydrochloride
Dosage form: TABLET
Route: ORAL
Labeler: Eon Labs, Inc.
Application: ANDA076280
Marketing category: ANDA
Marketing start: 2002-11-26
Marketing end: 2022-09-30
Substance: TIZANIDINE HYDROCHLORIDE
Active strength: 2 mg/1
Pharmacologic classes: Adrenergic alpha2-Agonists [MoA],Central alpha-2 Adrenergic Agonist [EPC]
NDC exclude flag: No
Listing certified through: 0000-00-00
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	0185-0034	0185-0034-10	D	Discontinued by firm		2026-08-03

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 1.

Orange Book products#

Current product rows page 1 of 1 · 2 matching rows.

Application-product, Trade name, Ingredient table
Application-product	Trade name	Ingredient	Strength	Dosage form / route	TE codes	RLD / RS	Approval date
A076280-001	TIZANIDINE HYDROCHLORIDE	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL			2002-11-26
A076280-002	TIZANIDINE HYDROCHLORIDE	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL			2002-06-27

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 3 · 82 observed states.

Captured, Edition, Application-product table
Captured	Edition	Application-product	Trade name	Strength	Dosage form / route	Product TE source text	Approval date	Source SHA-256
2026-02-19 14:30 UTC	2026-02	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL		2002-11-26	`011fe1cb6892…`
2026-02-19 14:30 UTC	2026-02	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL		2002-06-27	`011fe1cb6892…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL		2002-11-26	`31067a03dcf5…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL		2002-06-27	`31067a03dcf5…`
2025-08-23 18:47 UTC	2025-08	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL		2002-11-26	`6a471c1ec25d…`
2025-08-23 18:47 UTC	2025-08	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL		2002-06-27	`6a471c1ec25d…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL		2002-11-26	`fd3edfee7708…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL		2002-06-27	`fd3edfee7708…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL		2002-11-26	`b8a1b40f171c…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL		2002-06-27	`b8a1b40f171c…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL		2002-11-26	`03ed91905a0d…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL		2002-06-27	`03ed91905a0d…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL		2002-11-26	`2680178bc6a6…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL		2002-06-27	`2680178bc6a6…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL		2002-11-26	`5bbf6a4d5a75…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL		2002-06-27	`5bbf6a4d5a75…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL		2002-11-26	`d8e5a09893c0…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL		2002-06-27	`d8e5a09893c0…`
2024-10-29 15:01 UTC	2024-10	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL		2002-11-26	`d06236e962d9…`
2024-10-29 15:01 UTC	2024-10	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL		2002-06-27	`d06236e962d9…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL		2002-11-26	`79d66fd596c7…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL		2002-06-27	`79d66fd596c7…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL		2002-11-26	`301d65b070ca…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL		2002-06-27	`301d65b070ca…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL		2002-11-26	`1e350fbaab3a…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL		2002-06-27	`1e350fbaab3a…`
2024-05-31 18:47 UTC	2024-05	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL		2002-11-26	`8072bd15b7f6…`
2024-05-31 18:47 UTC	2024-05	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL		2002-06-27	`8072bd15b7f6…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL	AB	2002-11-26	`5c6f7cd8ea54…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL	AB	2002-06-27	`5c6f7cd8ea54…`
2022-04-08 23:34 UTC	2022-04	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL	AB	2002-11-26	`5d02ea3f76ae…`
2022-04-08 23:34 UTC	2022-04	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL	AB	2002-06-27	`5d02ea3f76ae…`
2022-04-04 05:41 UTC	2022-04	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL	AB	2002-11-26	`4b0b4de00fa7…`
2022-04-04 05:41 UTC	2022-04	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL	AB	2002-06-27	`4b0b4de00fa7…`
2019-12-13 00:20 UTC	2019-12	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL	AB	2002-11-26	`74a2ff9319b5…`
2019-12-13 00:20 UTC	2019-12	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL	AB	2002-06-27	`74a2ff9319b5…`
2022-03-09 01:35 UTC	2022-03	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL	AB	2002-11-26	`bb7c543d1eb4…`
2022-03-09 01:35 UTC	2022-03	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL	AB	2002-06-27	`bb7c543d1eb4…`
2021-12-28 21:50 UTC	2021-12	A076280-001	TIZANIDINE HYDROCHLORIDE	EQ 2MG BASE	TABLET / ORAL	AB	2002-11-26	`782e0a99824c…`
2021-12-28 21:50 UTC	2021-12	A076280-002	TIZANIDINE HYDROCHLORIDE	EQ 4MG BASE	TABLET / ORAL	AB	2002-06-27	`782e0a99824c…`

Observed Orange Book normalized TE history#

Normalized TE history page 1 of 2 · 52 observed states.

Captured, Edition, Application-product table
Captured	Edition	Application-product	TE code	Order	Source SHA-256
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	A076280-001	AB	1	`5c6f7cd8ea54…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	A076280-002	AB	1	`5c6f7cd8ea54…`
2022-04-08 23:34 UTC	2022-04	A076280-001	AB	1	`5d02ea3f76ae…`
2022-04-08 23:34 UTC	2022-04	A076280-002	AB	1	`5d02ea3f76ae…`
2022-04-04 05:41 UTC	2022-04	A076280-001	AB	1	`4b0b4de00fa7…`
2022-04-04 05:41 UTC	2022-04	A076280-002	AB	1	`4b0b4de00fa7…`
2019-12-13 00:20 UTC	2019-12	A076280-001	AB	1	`74a2ff9319b5…`
2019-12-13 00:20 UTC	2019-12	A076280-002	AB	1	`74a2ff9319b5…`
2022-03-09 01:35 UTC	2022-03	A076280-001	AB	1	`bb7c543d1eb4…`
2022-03-09 01:35 UTC	2022-03	A076280-002	AB	1	`bb7c543d1eb4…`
2021-12-28 21:50 UTC	2021-12	A076280-001	AB	1	`782e0a99824c…`
2021-12-28 21:50 UTC	2021-12	A076280-002	AB	1	`782e0a99824c…`
2021-05-05 16:15 UTC · 3 captures of this ZIP	2021-05	A076280-001	AB	1	`87673890dc5c…`
2021-05-05 16:15 UTC · 3 captures of this ZIP	2021-05	A076280-002	AB	1	`87673890dc5c…`
2021-03-12 10:30 UTC	2021-03	A076280-001	AB	1	`5aa47cf7b7d7…`
2021-03-12 10:30 UTC	2021-03	A076280-002	AB	1	`5aa47cf7b7d7…`
2020-12-22 03:56 UTC	2020-12	A076280-001	AB	1	`8869cabd3fbd…`
2020-12-22 03:56 UTC	2020-12	A076280-002	AB	1	`8869cabd3fbd…`
2020-11-12 02:37 UTC	2020-11	A076280-001	AB	1	`c0c555d07b60…`
2020-11-12 02:37 UTC	2020-11	A076280-002	AB	1	`c0c555d07b60…`
2019-12-14 00:12 UTC	2019-12	A076280-001	AB	1	`3f01610625f2…`
2019-12-14 00:12 UTC	2019-12	A076280-002	AB	1	`3f01610625f2…`
2019-09-15 20:21 UTC	2019-09	A076280-001	AB	1	`b00525d2431f…`
2019-09-15 20:21 UTC	2019-09	A076280-002	AB	1	`b00525d2431f…`
2019-07-19 19:46 UTC	2019-07	A076280-001	AB	1	`ea99ee380514…`
2019-07-19 19:46 UTC	2019-07	A076280-002	AB	1	`ea99ee380514…`
2024-03-16 18:09 UTC · 4 captures of this ZIP	2024-03	A076280-001	AB	1	`6a51e52b5d6a…`
2024-03-16 18:09 UTC · 4 captures of this ZIP	2024-03	A076280-002	AB	1	`6a51e52b5d6a…`
2024-02-18 07:12 UTC	2024-02	A076280-001	AB	1	`1c564ffb4f44…`
2024-02-18 07:12 UTC	2024-02	A076280-002	AB	1	`1c564ffb4f44…`
2023-12-20 04:57 UTC	2023-12	A076280-001	AB	1	`ea1830bbd6c7…`
2023-12-20 04:57 UTC	2023-12	A076280-002	AB	1	`ea1830bbd6c7…`
2023-11-28 05:40 UTC · 2 captures of this ZIP	2023-11	A076280-001	AB	1	`a72a2bbeb626…`
2023-11-28 05:40 UTC · 2 captures of this ZIP	2023-11	A076280-002	AB	1	`a72a2bbeb626…`
2023-10-25 00:34 UTC · 2 captures of this ZIP	2023-10	A076280-001	AB	1	`9b2671bbb829…`
2023-10-25 00:34 UTC · 2 captures of this ZIP	2023-10	A076280-002	AB	1	`9b2671bbb829…`
2023-07-15 15:27 UTC · 2 captures of this ZIP	2023-07	A076280-001	AB	1	`a67488948f0b…`
2023-07-15 15:27 UTC · 2 captures of this ZIP	2023-07	A076280-002	AB	1	`a67488948f0b…`
2023-06-13 01:57 UTC · 3 captures of this ZIP	2023-06	A076280-001	AB	1	`3f0d92c62455…`
2023-06-13 01:57 UTC · 3 captures of this ZIP	2023-06	A076280-002	AB	1	`3f0d92c62455…`

DailyMed Product Concepts#

Product concept, Relation, Version table
Product concept	Relation	Version	Effective
a0ff02d8-b711-423c-b7d1-ada00d81c743	Product name	1	20250805
9fd28b3a-d1bb-a2ce-ffa3-c3dd28536a01	Product name	8	20250313
b404127e-1c01-47bb-874e-db1e0b6bd9af	Product name	4	20250313

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDC	Billing unit	Product NDC	DailyMed indexing SPL	SPL version	Effective
0185-0034-10	EA - Each	0185-0034	05a96f71-1431-40c9-9043-29573c6bee36	1	2012-07-24
0185-0034-51	EA - Each	0185-0034	f0aca024-96b4-45ad-a507-cf176eced1e2	1	2012-07-24

DailyMed Socrata Ingredients#

Ingredient, Type, UNII table
Ingredient	Type	UNII	DailyMed label	SPL version
TIZANIDINE HYDROCHLORIDE	ACTIVE INGREDIENT	B53E3NMY5C	TIZANIDINE HYDROCHLORIDE TABLET [EON LABS, INC.]	21
TIZANIDINE	ACTIVE MOIETY	6AI06C00GW	TIZANIDINE HYDROCHLORIDE TABLET [EON LABS, INC.]	21
CELLULOSE, MICROCRYSTALLINE	INACTIVE INGREDIENT	OP1R32D61U	TIZANIDINE HYDROCHLORIDE TABLET [EON LABS, INC.]	21
LACTOSE MONOHYDRATE	INACTIVE INGREDIENT	EWQ57Q8I5X	TIZANIDINE HYDROCHLORIDE TABLET [EON LABS, INC.]	21
SILICON DIOXIDE	INACTIVE INGREDIENT	ETJ7Z6XBU4	TIZANIDINE HYDROCHLORIDE TABLET [EON LABS, INC.]	21
STEARIC ACID	INACTIVE INGREDIENT	4ELV7Z65AP	TIZANIDINE HYDROCHLORIDE TABLET [EON LABS, INC.]	21
TIZANIDINE HYDROCHLORIDE	ACTIVE INGREDIENT	B53E3NMY5C	TIZANIDINE HYDROCHLORIDE TABLET [STAT RX USA LLC]	3
TIZANIDINE	ACTIVE MOIETY	6AI06C00GW	TIZANIDINE HYDROCHLORIDE TABLET [STAT RX USA LLC]	3
CELLULOSE, MICROCRYSTALLINE	INACTIVE INGREDIENT	OP1R32D61U	TIZANIDINE HYDROCHLORIDE TABLET [STAT RX USA LLC]	3
COLLOIDAL SILICON DIOXIDE	INACTIVE INGREDIENT	ETJ7Z6XBU4	TIZANIDINE HYDROCHLORIDE TABLET [STAT RX USA LLC]	3
LACTOSE MONOHYDRATE	INACTIVE INGREDIENT	EWQ57Q8I5X	TIZANIDINE HYDROCHLORIDE TABLET [STAT RX USA LLC]	3
STEARIC ACID	INACTIVE INGREDIENT	4ELV7Z65AP	TIZANIDINE HYDROCHLORIDE TABLET [STAT RX USA LLC]	3

UNII, Preferred term, Registry number table
UNII	Preferred term	Registry number	Matched term
B53E3NMY5C	TIZANIDINE HYDROCHLORIDE	64461-82-1	TIZANIDINE HYDROCHLORIDE

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUI	RxNorm string	TTY	DailyMed	SPL version
313412	tiZANidine HCl 2 MG Oral Tablet	PSN	43d51c1d-5f5b-4b9e-95d0-d12ceff8d84e	3
313413	tiZANidine HCl 4 MG Oral Tablet	PSN	43d51c1d-5f5b-4b9e-95d0-d12ceff8d84e	3
313412	tizanidine 2 MG Oral Tablet	SCD	43d51c1d-5f5b-4b9e-95d0-d12ceff8d84e	3
313413	tizanidine 4 MG Oral Tablet	SCD	43d51c1d-5f5b-4b9e-95d0-d12ceff8d84e	3
313412	tizanidine 2 MG (as tizanidine HCl 2.288 MG) Oral Tablet	SY	43d51c1d-5f5b-4b9e-95d0-d12ceff8d84e	3
313413	tizanidine 4 MG (as tizanidine HCl 4.576 MG) Oral Tablet	SY	43d51c1d-5f5b-4b9e-95d0-d12ceff8d84e	3

Packages#

Package NDC, 11-digit format, Description table
Package NDC	11-digit format	Description	Units	Marketing start	Marketing end	Sample	Exclude flag	Status
0185-0034-10	00185003410	1000 TABLET in 1 BOTTLE (0185-0034-10)	1000 tablet	2002-11-26	2021-05-31	No	No	Current

Title, Manufacturer, Effective date table
Title	Manufacturer	Effective date	Type	Version
tizanidine hydrochloride	Eon Labs, Inc.	2018-10-23	HUMAN PRESCRIPTION DRUG LABEL	23
Tizanidine Hydrochloride Tablets 2 mg and 4 mg	STAT Rx USA LLC \| PSS World Medical Inc.	2012-02-09	HUMAN PRESCRIPTION DRUG LABEL	3