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PRIMIDONE

ANDA

PRIMIDONE | A040866 | AMNEAL PHARMACEUTICAL

2 strengths0 unique patents0 unique exclusivities

Reference Listed Drug: MYSOLINE(TE code: AB)

Drug Pricing (NADAC)

National Average Drug Acquisition Cost — Week of 2026-07-15 | 5 NDCs

Highest NADAC/Unit

$0.2262

per ea

Lowest NADAC/Unit

$0.0925

per ea

Brand NDCs

Generic NDCs

NDC Description	NADAC/Unit	Unit	Type	Generic NADAC	Effective
53746054501PRIMIDONE 250 MG TABLET	$0.2262	EA	Generic	—	2026-06-17
50268068715PRIMIDONE 250 MG TABLET	$0.2262	EA	Generic	—	2026-06-17
53746054401PRIMIDONE 50 MG TABLET	$0.0925	EA	Generic	—	2026-06-17
53746054405PRIMIDONE 50 MG TABLET	$0.0925	EA	Generic	—	2026-06-17
50268068615PRIMIDONE 50 MG TABLET	$0.0925	EA	Generic	—	2026-06-17

Source: NADAC (data.medicaid.gov). Prices reflect national average acquisition costs for retail community pharmacies.

VA Federal Supply Schedule

Government-negotiated contract prices | 3 NDCs (3 FSS)

Lowest Price

$18.00

Highest Price

$31.16

FSS NDCs

Big4 NDCs

Description	Price	Type	Vendor	Contract End
42291-0509-01PRIMIDONE 50MG TAB	$18.00	FSS	AvKare, LLC	06/14/2028
42291-0509-50PRIMIDONE 50MG TAB	$31.16	FSS	AvKare, LLC	06/14/2028
42291-0511-01PRIMIDONE 250MG TAB	$28.83	FSS	AvKare, LLC	06/14/2028

Source: VA Federal Supply Schedule (va.gov). Prices are government-negotiated contract prices.

API Supply Chain5 active DMFs2 inactive

5 active API suppliers hold Drug Master Files for this ingredient.

SIEGFRIED LTDPRIMIDONE

DMF 21991973

DR REDDYS LABORATORIES LTDPRIMIDONE

DMF 200072006

NANTONG JINGHUA PHARMACEUTICAL CO LTDPRIMIDONE

DMF 216022008

BIOPHORE INDIA PHARMACEUTICALS PVT LTDPRIMIDONE

DMF 352022020

RAKS PHARMA PVT LTDPRIMIDONE USP

DMF 407702024

NANTONG GENERAL PHARMACEUTICAL FACTORYInactivePRIMIDONE USP XXII

DMF 84061990

PROVENTUS LIFE SCIENCES PVT LTDInactivePRIMIDONE

DMF 234442010

Source: FDA Drug Master Files (fda.gov). Type II API DMFs matched by ingredient.

Products (2)

Sort:

#001 — 50MG

0 patents0 exclusivities▴

TABLET;ORAL | Approved: Apr 23, 2008

No patent or exclusivity listings for this strength.

#002 — 250MG

0 patents0 exclusivities▾

TABLET;ORAL | Approved: Apr 23, 2008