Drug

Who makes aztreonam?

5 companies list aztreonam as a human prescription drug, including under the names AZACTAM, Cayston. Forms: injection, powder, for solution; injection, powder, lyophilized, for solution; kit. Routes: intramuscular, intravenous.

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 aztreonam

CompanyFormsApplicationNDCsRegistered sites
Hospira, Inc.United Statesinjection, powder, lyophilized, for solutionANDAANDA20651727
Fresenius Kabi USA, LLCUnited Statesinjection, powder, lyophilized, for solutionANDAANDA06543926
E.R. Squibb & Sons, L.L.C.injection, powder, for solutionNDANDA05058020
Gilead Sciences, Inc.United StateskitNDANDA05081414
International Medication Systems, Ltd.United Statesinjection, powder, for solutionNDANDA05058013

Bulk ingredient listings

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Common questions

Who makes aztreonam?
5 companies list aztreonam as a human prescription drug in the openFDA NDC Directory, led by Hospira, Inc., Fresenius Kabi USA, LLC, E.R. Squibb & Sons, L.L.C., Gilead Sciences, Inc., International Medication Systems, 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 AZACTAM?
2 companies list aztreonam under an abbreviated new drug application (ANDA), the application type used for generics, and 3 under an NDA or BLA. Listing status is from the NDC Directory; it is not a statement of availability.
Who supplies aztreonam active ingredient?
4 companies list aztreonam as a bulk ingredient, including Curia India Private Limited, Gilead Sciences, Inc., Guangan Kingday Pharma & Chem Co., Ltd., Latina Pharma S.P.A..