Metaxalone
- Product NDC
- 65162-553
- 11-digit product format
- 651620553
- Labeler code
- 65162
- Product ID
- 65162-553_5dbbcb1c-6935-4264-a95c-36d5555afc6c
- Type
- HUMAN PRESCRIPTION DRUG
- Nonproprietary name
- Metaxalone
- Dosage form
- TABLET
- Route
- ORAL
- Labeler
- Amneal Pharmaceuticals LLC
- Application
- ANDA203399
- Marketing category
- ANDA
- Marketing start
- 2013-05-31
- Substance
- METAXALONE
- Active strength
- 800 mg/1
- Pharmacologic classes
- Centrally-mediated Muscle Relaxation [PE], Muscle Relaxant [EPC]
- NDC exclude flag
- No
- Listing certified through
- 2026-12-31
- Current FDA listing
- Yes
Orange Book products#
| 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#
| 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.
| 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#
| 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… |
Additional Listing Data#
- Finished product
- Yes
- Brand name base
- Metaxalone
- Listing expiration
- 2026-12-31
Active Ingredients#
| Ingredient | Strength |
|---|---|
| METAXALONE | 800 mg/1 |
Harmonized UNII identifiers#
| Identifier | FDA.report destination |
|---|---|
| 1NMA9J598Y | Internal UNII lookup |
Harmonized RxCUI identifiers#
| Identifier | FDA.report destination |
|---|---|
| 351254 | Internal RxNorm lookup |
Harmonized SPL set identifiers#
| Identifier | FDA.report destination |
|---|---|
| 3aa9dba9-29b0-4520-a0f7-66d19d52c6bc | Available on FDA.report |
DailyMed Product Concepts#
| Product concept | Relation | Version | Effective |
|---|---|---|---|
| 4fe1c2a6-5488-f909-3872-734054eb745a | Product name | 5 | 20181231 |
| 776ba7f6-e5b0-442b-bd42-1fdfdfd821a4 | Product name | 1 | 20150615 |
| 68c52498-c9cb-48ab-a792-a4876149361e | Product name | 1 | 20150409 |
DailyMed Package Descriptions#
| Package NDC | Product | Description | Form | Quantity | Strength | SPL version |
|---|---|---|---|---|---|---|
| 65162-553-10 | Metaxalone | 100 in 1 BOTTLE | TABLET | 100 | 12 | |
| 65162-553-50 | Metaxalone | 500 in 1 BOTTLE | TABLET | 500 | 12 |
DailyMed Billing Units#
| Package NDC | Billing unit | Product NDC | DailyMed indexing SPL | SPL version | Effective |
|---|---|---|---|---|---|
| 65162-553-10 | EA - Each | 65162-553 | 50f62890-6bd3-42d9-a06e-3920d90a9848 | 1 | 2013-08-02 |
DailyMed Socrata Ingredients#
DailyMed Dashboard NDC Coverage#
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.
| 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 | 203399 ANDA203399 |
| Metaxalone | METAXALONE | AvKARE | 4c3ae824-48a9-fd91-e063-6394a90a9a54 | 2026-03-04 | Warnings, Adverse reactions | 203399 ANDA203399 |
| Metaxalone | METAXALONE | AvPAK | 9b21a974-6a5a-9efb-e9de-470363217126 | 2025-11-26 | Warnings, Adverse reactions | 203399 ANDA203399 |
| Metaxalone | METAXALONE | Amneal Pharmaceuticals LLC | 3aa9dba9-29b0-4520-a0f7-66d19d52c6bc | 2025-03-28 | Warnings, Adverse reactions | 203399 ANDA203399 65162-553 |
| Metaxalone | METAXALONE | Advanced Rx of Tennessee, LLC | b3279496-293e-7e1f-e053-2a95a90ab506 | 2024-12-31 | Warnings, Adverse reactions | 203399 ANDA203399 |
| Metaxalone | METAXALONE | Amneal Pharmaceuticals of New York LLC | f06f2b96-3684-483c-89f7-6c9201fd4664 | 2023-01-11 | Warnings, Adverse reactions | 203399 ANDA203399 |
| Metaxalone | METAXALONE | Proficient Rx LP | fba1601d-3ac4-41cf-9548-35ec4994a95e | 2022-10-01 | Warnings, Adverse reactions | 203399 ANDA203399 |
DailyMed RxNorm Mappings#
Packages#
| Package NDC | 11-digit format | Description | Units | Marketing start | Marketing end | Sample | Exclude flag | Status |
|---|---|---|---|---|---|---|---|---|
| 65162-553-10 | 65162055310 | 100 TABLET in 1 BOTTLE (65162-553-10) | 100 tablet | 2013-05-31 | 0000-00-00 | No | No | Current |
| 65162-553-50 | 65162055350 | 500 TABLET in 1 BOTTLE (65162-553-50) | 500 tablet | 2013-05-31 | 0000-00-00 | No | No | Current |