Home NDC 57664-502 Tizanidine
Product NDC 57664-502
11-digit product format 576640502
Labeler code 57664
Product ID 57664-502_5e8ef5b3-9f58-46a7-833c-31ef018ea9a0
Type HUMAN PRESCRIPTION DRUG
Nonproprietary name Tizanidine
Dosage form TABLET
Route ORAL
Labeler Sun Pharmaceutical Industries, Inc.
Application ANDA076416
Marketing category ANDA
Marketing start 2003-12-11
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 2027-12-31
Current FDA listing Yes Source provenance: Browse the complete Orange Book source catalog · source snapshot 44 .
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 A076416-001 TIZANIDINE HYDROCHLORIDE TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 A076416-002 TIZANIDINE HYDROCHLORIDE TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29
Therapeutic equivalence codes# Current TE-code rows page 1 of 1 · 2 matching rows.
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 · 88 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 2026-10-15 13:18:30 2026-09 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 c2088c7a36db…2026-10-15 13:18:30 2026-09 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 c2088c7a36db…2026-09-14 22:38:34 2026-08 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 84e616aacf4f…2026-09-14 22:38:34 2026-08 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 84e616aacf4f…2026-08-18 06:07:40 2026-07 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 caaa826d4ba7…2026-08-18 06:07:40 2026-07 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 caaa826d4ba7…2026-02-19 14:30 UTC 2026-02 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 011fe1cb6892…2026-02-19 14:30 UTC 2026-02 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 011fe1cb6892…2025-12-14 10:44 UTC · 2 captures of this ZIP 2025-12 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 31067a03dcf5…2025-12-14 10:44 UTC · 2 captures of this ZIP 2025-12 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 31067a03dcf5…2025-08-23 18:47 UTC 2025-08 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 6a471c1ec25d…2025-08-23 18:47 UTC 2025-08 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 6a471c1ec25d…2025-03-22 03:13 UTC · 3 captures of this ZIP 2025-03 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 fd3edfee7708…2025-03-22 03:13 UTC · 3 captures of this ZIP 2025-03 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 fd3edfee7708…2025-02-26 10:13 UTC · 3 captures of this ZIP 2025-02 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 b8a1b40f171c…2025-02-26 10:13 UTC · 3 captures of this ZIP 2025-02 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 b8a1b40f171c…2025-01-19 17:59 UTC · 7 captures of this ZIP 2025-01 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 03ed91905a0d…2025-01-19 17:59 UTC · 7 captures of this ZIP 2025-01 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 03ed91905a0d…2024-12-13 21:23 UTC · 2 captures of this ZIP 2024-12 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 2680178bc6a6…2024-12-13 21:23 UTC · 2 captures of this ZIP 2024-12 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 2680178bc6a6…2024-09-14 05:58 UTC · 2 captures of this ZIP 2024-09 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 5bbf6a4d5a75…2024-09-14 05:58 UTC · 2 captures of this ZIP 2024-09 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 5bbf6a4d5a75…2024-11-08 22:44 UTC · 3 captures of this ZIP 2024-11 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 d8e5a09893c0…2024-11-08 22:44 UTC · 3 captures of this ZIP 2024-11 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 d8e5a09893c0…2024-10-29 15:01 UTC 2024-10 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 d06236e962d9…2024-10-29 15:01 UTC 2024-10 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 d06236e962d9…2024-08-13 05:28 UTC · 3 captures of this ZIP 2024-08 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 79d66fd596c7…2024-08-13 05:28 UTC · 3 captures of this ZIP 2024-08 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 79d66fd596c7…2024-07-13 05:37 UTC · 2 captures of this ZIP 2024-07 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 301d65b070ca…2024-07-13 05:37 UTC · 2 captures of this ZIP 2024-07 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 301d65b070ca…2024-06-18 03:08 UTC · 5 captures of this ZIP 2024-06 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 1e350fbaab3a…2024-06-18 03:08 UTC · 5 captures of this ZIP 2024-06 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 1e350fbaab3a…2024-05-31 18:47 UTC 2024-05 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 8072bd15b7f6…2024-05-31 18:47 UTC 2024-05 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 8072bd15b7f6…2022-06-29 02:47 UTC · 2 captures of this ZIP 2022-06 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 5c6f7cd8ea54…2022-06-29 02:47 UTC · 2 captures of this ZIP 2022-06 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 5c6f7cd8ea54…2022-04-08 23:34 UTC 2022-04 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 5d02ea3f76ae…2022-04-08 23:34 UTC 2022-04 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 5d02ea3f76ae…2022-04-04 05:41 UTC 2022-04 A076416-001 TIZANIDINE HYDROCHLORIDE EQ 2MG BASE TABLET / ORAL AB 2003-09-29 4b0b4de00fa7…2022-04-04 05:41 UTC 2022-04 A076416-002 TIZANIDINE HYDROCHLORIDE EQ 4MG BASE TABLET / ORAL AB 2003-09-29 4b0b4de00fa7…
Observed Orange Book normalized TE history# Normalized TE history page 1 of 3 · 88 observed states.
Reported adverse events (FAERS/openFDA)# Adverse event summaries are temporarily unavailable. Other product information remains available.
Additional Listing Data#
Finished product Yes
Brand name base Tizanidine
Listing expiration 2027-12-31 Active Ingredients# Ingredient, Strength table Ingredient Strength TIZANIDINE HYDROCHLORIDE 2 mg/1
Harmonized UNII identifiers# UNII identifiers page 1 of 1 · 1 matching rows.
Identifier, FDA.report destination table Identifier FDA.report destination B53E3NMY5C Internal UNII lookup
Harmonized RxCUI identifiers# RxCUI identifiers page 1 of 1 · 2 matching rows.
Identifier, FDA.report destination table Identifier FDA.report destination 313412 Internal RxNorm lookup 313413 Internal RxNorm lookup
Harmonized SPL set identifiers# SPL set identifiers page 1 of 1 · 1 matching rows.
DailyMed Product Concepts# DailyMed Package Descriptions# Package NDC, Product, Description table Package NDC Product Description Form Quantity Strength SPL version 57664-502-18 Tizanidine 1000 in 1 BOTTLE TABLET 1000 9 57664-502-89 Tizanidine 150 in 1 BOTTLE TABLET 150 9
DailyMed Socrata Ingredients# Ingredient, Type, UNII table Ingredient Type UNII DailyMed label SPL version Uploaded TIZANIDINE HYDROCHLORIDE ACTIVE INGREDIENT B53E3NMY5C TIZANIDINE TABLET [SUN PHARMACEUTICAL INDUSTRIES, INC.] 6 TIZANIDINE ACTIVE MOIETY 6AI06C00GW TIZANIDINE TABLET [SUN PHARMACEUTICAL INDUSTRIES, INC.] 6 ANHYDROUS LACTOSE INACTIVE INGREDIENT 3SY5LH9PMK TIZANIDINE TABLET [SUN PHARMACEUTICAL INDUSTRIES, INC.] 6 CELLULOSE, MICROCRYSTALLINE INACTIVE INGREDIENT OP1R32D61U TIZANIDINE TABLET [SUN PHARMACEUTICAL INDUSTRIES, INC.] 6 COLLOIDAL SILICON DIOXIDE INACTIVE INGREDIENT ETJ7Z6XBU4 TIZANIDINE TABLET [SUN PHARMACEUTICAL INDUSTRIES, INC.] 6 LACTOSE MONOHYDRATE INACTIVE INGREDIENT EWQ57Q8I5X TIZANIDINE TABLET [SUN PHARMACEUTICAL INDUSTRIES, INC.] 6 STEARIC ACID INACTIVE INGREDIENT 4ELV7Z65AP TIZANIDINE TABLET [SUN PHARMACEUTICAL INDUSTRIES, INC.] 6 TIZANIDINE HYDROCHLORIDE ACTIVE INGREDIENT B53E3NMY5C TIZANIDINE TABLET [AVKARE, INC.] 2 TIZANIDINE ACTIVE MOIETY 6AI06C00GW TIZANIDINE TABLET [AVKARE, INC.] 2 ANHYDROUS LACTOSE INACTIVE INGREDIENT 3SY5LH9PMK TIZANIDINE TABLET [AVKARE, INC.] 2 CELLULOSE, MICROCRYSTALLINE INACTIVE INGREDIENT OP1R32D61U TIZANIDINE TABLET [AVKARE, INC.] 2 COLLOIDAL SILICON DIOXIDE INACTIVE INGREDIENT ETJ7Z6XBU4 TIZANIDINE TABLET [AVKARE, INC.] 2 LACTOSE MONOHYDRATE INACTIVE INGREDIENT EWQ57Q8I5X TIZANIDINE TABLET [AVKARE, INC.] 2 STEARIC ACID INACTIVE INGREDIENT 4ELV7Z65AP TIZANIDINE TABLET [AVKARE, INC.] 2
DailyMed Dashboard NDC Coverage# NDC, Dashboard title, SPL version table NDC Dashboard title SPL version Validation Dashboard ZIP 57664-502 TIZANIDINE TABLET [SUN PHARMACEUTICAL INDUSTRIES, INC.] 9 Current NDC, Legacy NDC, 2 package rows 20201010_4659df31-8b89-4eff-9d86-7b7e38de416b.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 2 of 2 · 21 matching rows.
DailyMed RxNorm Mappings# Packages# Package NDC, 11-digit format, Description table Package NDC 11-digit format Description Units Marketing start Marketing end Sample Exclude flag Status 57664-502-18 57664050218 1000 TABLET in 1 BOTTLE (57664-502-18) 1000 tablet 2003-12-11 0000-00-00 No No Current 57664-502-89 57664050289 150 TABLET in 1 BOTTLE (57664-502-89) 150 tablet 2003-12-11 0000-00-00 No No Current