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Prescription medicine · generic available

Cosyntropin

Drug class: Adrenocorticotropic Hormone

The FDA’s “Established Pharmacologic Class”: the group of medicines that work in a similar way.

Official FDA data, not advice

Everything here comes from the U.S. Food and Drug Administration (FDA): the drug label, the NDC Directory, Drugs@FDA, recall reports and the drug shortage list. Each fact shows its source and date.

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.

In an emergency, call 911. If someone may have taken too much of a medicine, call Poison Help: 1‑800‑222‑1222.

Quick answers

What is Cosyntropin used for?
The FDA-approved label (Cortrosyn, Amphastar Pharmaceuticals, Inc., January 30, 2025) says: “CORTROSYN is indicated, in combination with other diagnostic tests, for use as a diagnostic agent in the screening of adrenocortical insufficiency in adults and pediatric patients. CORTROSYN is an adrenocorticotropin hormone indicated, in combination with other diagnostic tests, for use as a diagnostic agent in the screening of adrenocortical insufficiency in adults and pediatric patients.” This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
Does Cosyntropin have a boxed warning?
No. None of the 5 FDA labels we found for this medicine has a boxed warning.
Is there a shortage of Cosyntropin?
No current shortage is listed by the FDA for the products of this medicine (FDA data from October 30, 2026).
Has Cosyntropin been recalled?
No recall linked to the products of this medicine appears in the FDA enforcement reports we use.
Who makes Cosyntropin?
5 companies list prescription products of Cosyntropin in the FDA NDC Directory, including Medical Purchasing Solutions, LLC, HF Acquisition Co LLC, DBA HealthFirst and Henry Schein, Inc..

What Cosyntropin is used for

Quoted from the “Indications and Usage” section of the FDA-approved label.

CORTROSYN is indicated, in combination with other diagnostic tests, for use as a diagnostic agent in the screening of adrenocortical insufficiency in adults and pediatric patients. CORTROSYN is an adrenocorticotropin hormone indicated, in combination with other diagnostic tests, for use as a diagnostic agent in the screening of adrenocortical insufficiency in adults and pediatric patients.

— FDA label: Cortrosyn, Amphastar Pharmaceuticals, Inc., effective January 30, 2025. Read the full label on DailyMed →

The FDA has 5 labels for products of this medicine (different makers and forms); uses can differ between them. Check the label that comes with your own medicine.

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.

Boxed warning

A boxed warning (“black box”) is the FDA’s strongest warning on a drug label, for serious or life-threatening risks.

The label quoted above has no boxed warning.

0 of 5 FDA labels for this medicine have a boxed warning.

Forms and how it is given

Dosage formsInjection, powder, lyophilized, for solution
RouteIntravenous · Intramuscular · Parenteral
Prescription products6 in the FDA NDC Directory
Brand namesCortrosyn

Companies that list this medicine

Labelers in the FDA NDC Directory: the company named on the package (maker or distributor), with the number of prescription products.

FDA approval history

  • NDA: New Drug Application: how a new (usually brand-name) medicine is approved.
  • ANDA: Abbreviated New Drug Application: how a generic version is approved.
Brand and biologic applications
ApplicationSponsorApprovedLater changes approved
NDA016750
CORTROSYN
Amphastar Pharms IncApril 22, 1970 19, latest December 22, 2023
2023: Labeling · 2021: Labeling · 2014: Manufacturing (CMC)

Generic approvals (1)

Shortage status

The FDA drug shortage list does not show these products.

FDA Drug Shortages database →

Recalls

No recall linked to these products (by their NDC code) appears in the FDA enforcement reports.

Official identifiers

SPL set ID of the quoted label746856e9-3930-4f6a-b8e6-a03845d6dd0b
FDA labels (SPL)5
FDA applicationsNDA016750, 1 ANDA
Active ingredients (FDA)COSYNTROPIN

Sources

  1. FDA-approved label on DailyMed (National Library of Medicine) — Cortrosyn, Amphastar Pharmaceuticals, Inc., effective January 30, 2025; via openFDA, FDA data exported October 30, 2026, retrieved October 31, 2026
  2. NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  3. Drugs@FDA (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  4. Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
  5. Drug shortages (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026

openFDA data is provided by the FDA as is; it may be incomplete. Always rely on the label that comes with your medicine. FDA Enforcement Report search →

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