Primidone

Product NDC
0527-1231
11-digit product format
005271231
Labeler code
0527
Product ID
0527-1231_99bd0a67-2742-43dd-9ddc-430b9141c3b1
Type
HUMAN PRESCRIPTION DRUG
Nonproprietary name
Primidone
Dosage form
TABLET
Route
ORAL
Labeler
Lannett Company, Inc.
Application
ANDA084903
Marketing category
ANDA
Marketing start
1978-12-01
Substance
PRIMIDONE
Active strength
250 mg/1
Pharmacologic classes
Anti-epileptic Agent [EPC], Decreased Central Nervous System Disorganized Electrical Activity [PE]
NDC exclude flag
No
Listing certified through
2026-12-31
Current FDA listing
Yes

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-productTrade nameIngredientStrengthDosage form / routeTE codesRLD / RSApproval date
A084903-001PRIMIDONEPRIMIDONE250MGTABLET / ORALABApproved before 1982
A084903-002PRIMIDONEPRIMIDONE50MGTABLET / ORALAB2001-05-24

Therapeutic equivalence codes#

Current TE-code rows page 1 of 1 · 2 matching rows.

Application-product, TE code table
Application-productTE code
A084903-001AB
A084903-002AB

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
CapturedEditionApplication-productTrade nameStrengthDosage form / routeProduct TE source textRLD / RSApproval dateSource SHA-256
2026-02-19 14:30 UTC2026-02A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 1982011fe1cb6892…
2026-02-19 14:30 UTC2026-02A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-24011fe1cb6892…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 198231067a03dcf5…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-2431067a03dcf5…
2025-08-23 18:47 UTC2025-08A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 19826a471c1ec25d…
2025-08-23 18:47 UTC2025-08A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-246a471c1ec25d…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 1982fd3edfee7708…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-24fd3edfee7708…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 1982b8a1b40f171c…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-24b8a1b40f171c…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 198203ed91905a0d…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-2403ed91905a0d…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 19822680178bc6a6…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-242680178bc6a6…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 19825bbf6a4d5a75…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-245bbf6a4d5a75…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 1982d8e5a09893c0…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-24d8e5a09893c0…
2024-10-29 15:01 UTC2024-10A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 1982d06236e962d9…
2024-10-29 15:01 UTC2024-10A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-24d06236e962d9…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 198279d66fd596c7…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-2479d66fd596c7…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 1982301d65b070ca…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-24301d65b070ca…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 19821e350fbaab3a…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-241e350fbaab3a…
2024-05-31 18:47 UTC2024-05A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 19828072bd15b7f6…
2024-05-31 18:47 UTC2024-05A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-248072bd15b7f6…
2022-06-29 02:47 UTC · 2 captures of this ZIP2022-06A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 19825c6f7cd8ea54…
2022-06-29 02:47 UTC · 2 captures of this ZIP2022-06A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-245c6f7cd8ea54…
2022-04-08 23:34 UTC2022-04A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 19825d02ea3f76ae…
2022-04-08 23:34 UTC2022-04A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-245d02ea3f76ae…
2022-04-04 05:41 UTC2022-04A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 19824b0b4de00fa7…
2022-04-04 05:41 UTC2022-04A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-244b0b4de00fa7…
2019-12-13 00:20 UTC2019-12A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 198274a2ff9319b5…
2019-12-13 00:20 UTC2019-12A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-2474a2ff9319b5…
2022-03-09 01:35 UTC2022-03A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 1982bb7c543d1eb4…
2022-03-09 01:35 UTC2022-03A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-24bb7c543d1eb4…
2021-12-28 21:50 UTC2021-12A084903-001PRIMIDONE250MGTABLET / ORALABApproved before 1982782e0a99824c…
2021-12-28 21:50 UTC2021-12A084903-002PRIMIDONE50MGTABLET / ORALAB2001-05-24782e0a99824c…

Observed Orange Book normalized TE history#

Normalized TE history page 1 of 3 · 82 observed states.

Captured, Edition, Application-product table
CapturedEditionApplication-productTE codeOrderSource SHA-256
2026-02-19 14:30 UTC2026-02A084903-001AB1011fe1cb6892…
2026-02-19 14:30 UTC2026-02A084903-002AB1011fe1cb6892…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A084903-001AB131067a03dcf5…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A084903-002AB131067a03dcf5…
2025-08-23 18:47 UTC2025-08A084903-001AB16a471c1ec25d…
2025-08-23 18:47 UTC2025-08A084903-002AB16a471c1ec25d…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A084903-001AB1fd3edfee7708…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A084903-002AB1fd3edfee7708…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A084903-001AB1b8a1b40f171c…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A084903-002AB1b8a1b40f171c…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A084903-001AB103ed91905a0d…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A084903-002AB103ed91905a0d…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A084903-001AB12680178bc6a6…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A084903-002AB12680178bc6a6…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A084903-001AB15bbf6a4d5a75…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A084903-002AB15bbf6a4d5a75…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A084903-001AB1d8e5a09893c0…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A084903-002AB1d8e5a09893c0…
2024-10-29 15:01 UTC2024-10A084903-001AB1d06236e962d9…
2024-10-29 15:01 UTC2024-10A084903-002AB1d06236e962d9…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A084903-001AB179d66fd596c7…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A084903-002AB179d66fd596c7…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A084903-001AB1301d65b070ca…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A084903-002AB1301d65b070ca…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A084903-001AB11e350fbaab3a…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A084903-002AB11e350fbaab3a…
2024-05-31 18:47 UTC2024-05A084903-001AB18072bd15b7f6…
2024-05-31 18:47 UTC2024-05A084903-002AB18072bd15b7f6…
2022-06-29 02:47 UTC · 2 captures of this ZIP2022-06A084903-001AB15c6f7cd8ea54…
2022-06-29 02:47 UTC · 2 captures of this ZIP2022-06A084903-002AB15c6f7cd8ea54…
2022-04-08 23:34 UTC2022-04A084903-001AB15d02ea3f76ae…
2022-04-08 23:34 UTC2022-04A084903-002AB15d02ea3f76ae…
2022-04-04 05:41 UTC2022-04A084903-001AB14b0b4de00fa7…
2022-04-04 05:41 UTC2022-04A084903-002AB14b0b4de00fa7…
2019-12-13 00:20 UTC2019-12A084903-001AB174a2ff9319b5…
2019-12-13 00:20 UTC2019-12A084903-002AB174a2ff9319b5…
2022-03-09 01:35 UTC2022-03A084903-001AB1bb7c543d1eb4…
2022-03-09 01:35 UTC2022-03A084903-002AB1bb7c543d1eb4…
2021-12-28 21:50 UTC2021-12A084903-001AB1782e0a99824c…
2021-12-28 21:50 UTC2021-12A084903-002AB1782e0a99824c…

Additional Listing Data#

Finished product
Yes
Brand name base
Primidone
Listing expiration
2026-12-31

Active Ingredients#

Ingredient, Strength table
IngredientStrength
PRIMIDONE250 mg/1

Harmonized UNII identifiers#

UNII identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
IdentifierFDA.report destination
13AFD7670QInternal UNII lookup

Harmonized RxCUI identifiers#

RxCUI identifiers page 1 of 1 · 2 matching rows.

Identifier, FDA.report destination table
IdentifierFDA.report destination
96304Internal RxNorm lookup
198150Internal RxNorm lookup

Harmonized SPL set identifiers#

SPL set identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
IdentifierFDA.report destination
a1a817f7-c190-4825-94eb-442f477187e3Available on FDA.report

DailyMed Product Concepts#

Product concept, Relation, Version table
Product conceptRelationVersionEffective
3a6e0ba9-1dda-c47a-a8e3-5844e445a4f8Product name320250114

FDA-Initiated Inactive NDC Indexing#

NDC, Effective, Action table
NDCEffectiveActionDocumentIndexing SPLRelated label
0527-1231-012024-01-30C16284748780-11030e365-2f3e-111a-e063-dadaa90a10e2Primidone Tablets, USP
0527-1231-052024-01-30C16284748780-11030e365-2f3e-111a-e063-dadaa90a10e2Primidone Tablets, USP
0527-1231-102024-01-30C16284748780-11030e365-2f3e-111a-e063-dadaa90a10e2Primidone Tablets, USP

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDCProductDescriptionFormQuantityStrengthSPL version
0527-1231-01Primidone100 in 1 BOTTLETABLET10014
0527-1231-05Primidone500 in 1 BOTTLETABLET50014
0527-1231-10Primidone1000 in 1 BOTTLETABLET100014

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDCBilling unitProduct NDCDailyMed indexing SPLSPL versionEffective
0527-1231-01EA - Each0527-123114a1d6aa-62d1-4118-9797-8aa01429460912012-07-24
0527-1231-10EA - Each0527-12316b5475ae-dcc0-4f12-8f41-6eb9f32f33c912012-07-24

DailyMed Socrata Ingredients#

Ingredient, Type, UNII table
IngredientTypeUNIIDailyMed labelSPL versionUploaded
PRIMIDONEACTIVE INGREDIENT13AFD7670QPRIMIDONE TABLET [PHYSICIANS TOTAL CARE, INC.]9
PRIMIDONEACTIVE MOIETY13AFD7670QPRIMIDONE TABLET [PHYSICIANS TOTAL CARE, INC.]9
ACACIAINACTIVE INGREDIENT5C5403N26OPRIMIDONE TABLET [PHYSICIANS TOTAL CARE, INC.]9
LACTOSE MONOHYDRATEINACTIVE INGREDIENTEWQ57Q8I5XPRIMIDONE TABLET [PHYSICIANS TOTAL CARE, INC.]9
MAGNESIUM STEARATEINACTIVE INGREDIENT70097M6I30PRIMIDONE TABLET [PHYSICIANS TOTAL CARE, INC.]9
METHYLCELLULOSE (400 CPS)INACTIVE INGREDIENTO0GN6F9B2YPRIMIDONE TABLET [PHYSICIANS TOTAL CARE, INC.]9
SODIUM STARCH GLYCOLATE TYPE A POTATOINACTIVE INGREDIENT5856J3G2A2PRIMIDONE TABLET [PHYSICIANS TOTAL CARE, INC.]9
PRIMIDONEACTIVE INGREDIENT13AFD7670QPRIMIDONE TABLET [NCS HEALTHCARE OF KY, INC DBA VANGARD LABS]6
PRIMIDONEACTIVE INGREDIENT13AFD7670QPRIMIDONE TABLET [LANNETT COMPANY, INC.]6
PRIMIDONEACTIVE MOIETY13AFD7670QPRIMIDONE TABLET [NCS HEALTHCARE OF KY, INC DBA VANGARD LABS]6
PRIMIDONEACTIVE MOIETY13AFD7670QPRIMIDONE TABLET [LANNETT COMPANY, INC.]6
ACACIAINACTIVE INGREDIENT5C5403N26OPRIMIDONE TABLET [LANNETT COMPANY, INC.]6
ACACIAINACTIVE INGREDIENT5C5403N26OPRIMIDONE TABLET [NCS HEALTHCARE OF KY, INC DBA VANGARD LABS]6
LACTOSE MONOHYDRATEINACTIVE INGREDIENTEWQ57Q8I5XPRIMIDONE TABLET [LANNETT COMPANY, INC.]6
LACTOSE MONOHYDRATEINACTIVE INGREDIENTEWQ57Q8I5XPRIMIDONE TABLET [NCS HEALTHCARE OF KY, INC DBA VANGARD LABS]6
MAGNESIUM STEARATEINACTIVE INGREDIENT70097M6I30PRIMIDONE TABLET [LANNETT COMPANY, INC.]6
MAGNESIUM STEARATEINACTIVE INGREDIENT70097M6I30PRIMIDONE TABLET [NCS HEALTHCARE OF KY, INC DBA VANGARD LABS]6
METHYLCELLULOSE (400 CPS)INACTIVE INGREDIENTO0GN6F9B2YPRIMIDONE TABLET [LANNETT COMPANY, INC.]6
METHYLCELLULOSE (400 MPA.S)INACTIVE INGREDIENTO0GN6F9B2YPRIMIDONE TABLET [NCS HEALTHCARE OF KY, INC DBA VANGARD LABS]6
SODIUM STARCH GLYCOLATE TYPE A POTATOINACTIVE INGREDIENT5856J3G2A2PRIMIDONE TABLET [NCS HEALTHCARE OF KY, INC DBA VANGARD LABS]6
SODIUM STARCH GLYCOLATE TYPE A POTATOINACTIVE INGREDIENT5856J3G2A2PRIMIDONE TABLET [LANNETT COMPANY, INC.]6
PRIMIDONEACTIVE INGREDIENT13AFD7670QPRIMIDONE TABLET [AMERICAN HEALTH PACKAGING]2
PRIMIDONEACTIVE MOIETY13AFD7670QPRIMIDONE TABLET [AMERICAN HEALTH PACKAGING]2
ACACIAINACTIVE INGREDIENT5C5403N26OPRIMIDONE TABLET [AMERICAN HEALTH PACKAGING]2
LACTOSE MONOHYDRATEINACTIVE INGREDIENTEWQ57Q8I5XPRIMIDONE TABLET [AMERICAN HEALTH PACKAGING]2
MAGNESIUM STEARATEINACTIVE INGREDIENT70097M6I30PRIMIDONE TABLET [AMERICAN HEALTH PACKAGING]2
METHYLCELLULOSE (400 MPA.S)INACTIVE INGREDIENTO0GN6F9B2YPRIMIDONE TABLET [AMERICAN HEALTH PACKAGING]2
SODIUM STARCH GLYCOLATE TYPE A POTATOINACTIVE INGREDIENT5856J3G2A2PRIMIDONE TABLET [AMERICAN HEALTH PACKAGING]2

DailyMed Dashboard NDC Coverage#

NDC, Dashboard title, SPL version table
NDCDashboard titleSPL versionValidationDashboard ZIP
0527-1231PRIMIDONE TABLET [LANNETT COMPANY, INC.]14Current NDC, Legacy NDC, 3 package rows20240704_a1a817f7-c190-4825-94eb-442f477187e3.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 1 of 1 · 5 matching rows.

Brand, Generic, Manufacturer table
BrandGenericManufacturerSPL set IDEffective dateAvailable safety fieldsJoin
PrimidonePRIMIDONEChartwell RX, LLC4a8e309f-d89e-4b1a-abb2-856a66ebbff92025-12-11Warnings, Adverse reactionsExact identifier
application applno (ANDA): 084903
application number: ANDA084903
PrimidonePRIMIDONEGolden State Medical Supply, Ince4e493bd-94d7-7e5a-e053-2995a90a27062024-12-23Warnings, Adverse reactionsExact identifier
application applno (ANDA): 084903
application number: ANDA084903
PrimidonePRIMIDONEAmerican Health Packaginga32e0a00-3ba7-47e7-83c6-a7eac5fbdd112024-10-03Warnings, Adverse reactionsExact identifier
application applno (ANDA): 084903
application number: ANDA084903
PrimidonePRIMIDONEAphena Pharma Solutions - Tennessee, LLCad8b50e2-e797-4326-a57e-d254da85b6b92024-01-09Warnings, Adverse reactionsExact identifier
application applno (ANDA): 084903
application number: ANDA084903
PrimidonePRIMIDONELannett Company, Inc.a1a817f7-c190-4825-94eb-442f477187e32020-06-11Warnings, Adverse reactionsExact identifier
application applno (ANDA): 084903
application number: ANDA084903
ndc (product): 0527-1231

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUIRxNorm stringTTYDailyMedSPL version
96304primidone 250 MG Oral TabletPSNa1a817f7-c190-4825-94eb-442f477187e314
198150primidone 50 MG Oral TabletPSNa1a817f7-c190-4825-94eb-442f477187e314
96304primidone 250 MG Oral TabletSCDa1a817f7-c190-4825-94eb-442f477187e314
198150primidone 50 MG Oral TabletSCDa1a817f7-c190-4825-94eb-442f477187e314
96304primidone 250 MG Oral TabletPSNa32e0a00-3ba7-47e7-83c6-a7eac5fbdd1111
198150primidone 50 MG Oral TabletPSNa32e0a00-3ba7-47e7-83c6-a7eac5fbdd1111
96304primidone 250 MG Oral TabletSCDa32e0a00-3ba7-47e7-83c6-a7eac5fbdd1111
198150primidone 50 MG Oral TabletSCDa32e0a00-3ba7-47e7-83c6-a7eac5fbdd1111
96304primidone 250 MG Oral TabletPSNc7cb2073-9d44-4261-b308-02cd24c1f17a9
198150primidone 50 MG Oral TabletPSNc7cb2073-9d44-4261-b308-02cd24c1f17a9
96304primidone 250 MG Oral TabletSCDc7cb2073-9d44-4261-b308-02cd24c1f17a9
198150primidone 50 MG Oral TabletSCDc7cb2073-9d44-4261-b308-02cd24c1f17a9
96304primidone 250 MG Oral TabletPSNe4e493bd-94d7-7e5a-e053-2995a90a27062
198150primidone 50 MG Oral TabletPSNe4e493bd-94d7-7e5a-e053-2995a90a27062
96304primidone 250 MG Oral TabletSCDe4e493bd-94d7-7e5a-e053-2995a90a27062
198150primidone 50 MG Oral TabletSCDe4e493bd-94d7-7e5a-e053-2995a90a27062

Packages#

Package NDC, 11-digit format, Description table
Package NDC11-digit formatDescriptionUnitsMarketing startMarketing endSampleExclude flagStatus
0527-1231-0100527123101100 TABLET in 1 BOTTLE (0527-1231-01) 100 tablet1978-12-010000-00-00NoNoCurrent
0527-1231-0500527123105500 TABLET in 1 BOTTLE (0527-1231-05) 500 tablet1978-12-010000-00-00NoNoCurrent
0527-1231-10005271231101000 TABLET in 1 BOTTLE (0527-1231-10) 1000 tablet1978-12-010000-00-00NoNoCurrent