Drug

Who makes methsuximide?

2 companies list methsuximide as a human prescription drug, including under the names Celontin. Forms: capsule. Routes: oral.

Labellers from the openFDA NDC Directory. A labeller is the firm named on the label, not necessarily the site that made the product, and a listing is not an FDA approval. Data as of 24 Sept 2026. Methodology

Companies listing methsuximide

CompanyFormsApplicationNDCsRegistered sites
ANI Pharmaceuticals, Inc.United StatescapsuleANDAANDA21721311
Parke-Davis Div of Pfizer InccapsuleNDANDA01059610

Bulk ingredient listings

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Common questions

Who makes methsuximide?
2 companies list methsuximide as a human prescription drug in the openFDA NDC Directory, led by ANI Pharmaceuticals, Inc., Parke-Davis Div of Pfizer Inc. Each is the labeller, the firm named on the label; the product may be made at a site registered to another company.
Is there a generic Celontin?
1 company lists methsuximide under an abbreviated new drug application (ANDA), the application type used for generics, and 1 under an NDA or BLA. Listing status is from the NDC Directory; it is not a statement of availability.
Who supplies methsuximide active ingredient?
1 company lists methsuximide as a bulk ingredient, including NURAY CHEMICALS PRIVATE LIMITED.