Drug Markets/Methsuximide

Methsuximide

1 NDC across 1 manufacturer|0 Generic,1 Brand

Methsuximide is used to treat absence epilepsy, per the National Library of Medicine's MED-RT classification.

▸ More about this market

The brand product was first FDA-approved before 1982, and the first generic was approved May 1, 2023. FDA's Orange Book lists 2 AB-rated (therapeutically equivalent) products for this ingredient. In 2024, Medicare Part D spent $631K on Methsuximide across 1,622 claims for 264 beneficiaries.

Methsuximide is available as 1 NDC from 1 manufacturer (0 generic, 1 brand), with NADAC prices from $4.40 to $4.40 per EA. Every pack size and labeler in this drug market is compared side-by-side below.

Total NDCs

1

0G / 1B

Manufacturers

1

competing in market

Price Spread

$4.40 – $4.40

per EA

7d Activity

10 flat

avg +0.0% WoW · of 1 NDCs

Market Price Trend

Monthly average NADAC per unit, split by generic and brand.

Manufacturer Breakdown

1 manufacturer producing METHSUXIMIDE

Drug Portfolio

1 NDCs total, 1 shown

Drug Price 7d Change
CELONTIN 300 MG CAPSULE
$4.4021
per EA
+0.02%

Frequently Asked Questions

What is Methsuximide used to treat?

Methsuximide is used to treat absence epilepsy, per the National Library of Medicine's MED-RT classification.

When did Methsuximide become available as a generic?

FDA approved the first generic Methsuximide (ANDA) on May 1, 2023. The Orange Book currently lists 2 AB-rated products for this ingredient, meaning FDA considers them therapeutically equivalent to the brand.

How much does Medicare spend on Methsuximide?

In 2024, Medicare Part D spent $631K on Methsuximide across 1,622 claims for 264 beneficiaries.

How many Methsuximide products are on the market?

The Methsuximide drug market contains 1 NDC from 1 manufacturer — 0 generic and 1 brand product.

What is the price range for Methsuximide?

NADAC reference prices for Methsuximide range from $4.4021 to $4.4021 per EA.

Which manufacturers make Methsuximide?

1 manufacturer lists Methsuximide in NADAC. Ranked by number of NDCs, the largest are Pfizer Inc. (1).

How has the price of Methsuximide changed recently?

Over the past 7 days, 1 Methsuximide NDC rose and 0 fell, with a market-wide average change of +0.0%.