Drug

Who makes azathioprine?

17 companies list azathioprine as a human prescription drug, including under the names IMURAN, Azasan. Forms: tablet. 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 azathioprine

CompanyFormsApplicationNDCsRegistered sites
Zydus Lifesciences LimitedIndiatabletANDAANDA077621412
Zydus Pharmaceuticals USA Inc.IndiatabletANDAANDA07762141
ASCEND Therapeutics US, LLCtabletANDAANDA20868740
Amneal Pharmaceuticals NY LLCtabletANDAANDA07406940
NuCare Pharmaceuticals,Inc.United StatestabletANDAANDA077621, ANDA20868721
AvKAREtabletANDAANDA07406920
Oceanside Pharmaceuticals.tabletANDAANDA07525220
Salix Pharmaceuticals, Inc.tabletANDAANDA07525220
Glenmark Pharmaceuticals Inc., USAIndiatabletANDAANDA07525219
Pharma Packaging Solutions, LLC dba Tjoapack, LLCUnited StatestabletANDAANDA07762115
Golden State Medical Supply Inc.United StatestabletANDAANDA07525211
Legacy Pharma USA Inc.United StatestabletNDANDA01632411
PD-Rx Pharmaceuticals Inc.United StatestabletANDAANDA07406911
RemedyRepack, IncUnited StatestabletANDAANDA20868711
Rising Pharma Holdings, Inc.United StatestabletANDAANDA07556811
Aphena Pharma Solutions - Tennessee, LLCtabletANDAANDA07406910
Sebela Pharmaceuticals Inc.tabletNDANDA01632410

Bulk ingredient listings

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Common questions

Who makes azathioprine?
17 companies list azathioprine as a human prescription drug in the openFDA NDC Directory, led by Zydus Lifesciences Limited, Zydus Pharmaceuticals USA Inc., ASCEND Therapeutics US, LLC, Amneal Pharmaceuticals NY LLC, NuCare Pharmaceuticals,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 IMURAN?
15 companies list azathioprine under an abbreviated new drug application (ANDA), the application type used for generics, and 2 under an NDA or BLA. Listing status is from the NDC Directory; it is not a statement of availability.
Who supplies azathioprine active ingredient?
12 companies list azathioprine as a bulk ingredient, including AARTI PHARMALABS LIMITED, APICHEM Laboratories Private Limited, Apicore US LLC, Fermion Oy.