Drug

Who makes sulfasalazine?

11 companies list sulfasalazine as a human prescription drug, including under the names Azulfidine, Azulfidine EN-tabs. Forms: tablet; tablet, delayed release. 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 sulfasalazine

CompanyFormsApplicationNDCsRegistered sites
International Medication Systems, Ltd.United StatestabletNDA AUTHORIZED GENERICNDA00707323
Sunrise Pharmaceutical IncUnited Statestablet; tablet, delayed releaseANDAANDA040349, ANDA07533921
Mylan Pharmaceuticals, Inc.tablet; tablet, delayed releaseNDA AUTHORIZED GENERICNDA00707320
Pfizer Laboratories Div Pfizer Inctablet; tablet, delayed releaseNDANDA00707320
Teva Pharmaceutical Industries Ltd.CanadatabletANDAANDA08582816
Pharma Packaging Solutions, LLC dba Tjoapack, LLCUnited StatestabletANDAANDA08582815
Bryant Ranch PrepackUnited StatestabletANDAANDA08582811
RemedyRepack, IncUnited StatestabletNDA AUTHORIZED GENERICNDA00707311
Rising Pharma Holdings, Inc.United StatestabletANDAANDA21904611
Aphena Pharma Solutions - Tennessee, LLCtabletNDA AUTHORIZED GENERICNDA00707310
Chartwell RX, LLC.tabletANDAANDA08019710

Bulk ingredient listings

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Common questions

Who makes sulfasalazine?
11 companies list sulfasalazine as a human prescription drug in the openFDA NDC Directory, led by International Medication Systems, Ltd., Sunrise Pharmaceutical Inc, Mylan Pharmaceuticals, Inc., Pfizer Laboratories Div Pfizer Inc, Teva Pharmaceutical Industries Ltd.. 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 Azulfidine?
6 companies list sulfasalazine 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 sulfasalazine active ingredient?
6 companies list sulfasalazine as a bulk ingredient, including Cambrex Charles City, Inc., Cohance Lifesciences Limited, LETCO MEDICAL, LLC, MEDISCA Inc..