§522.500. Cosyntropin injection.
21 C.F.R. § 522.500
Sponsor. See No. 043264 in § 510.600(c) of this chapter.
Specifications. Each milliliter (mL) contains 0.25 milligrams (mg) cosyntropin, 1 mg glacial acetic acid, 0.82 mg sodium acetate trihydrate, 8.1 mg sodium chloride, and water for injection (to 100%).
Conditions of use—
Amount. Administer 0.25 mg (1 mL) per dog weighing 10-110 pounds (4.5-50 kilograms) by intravenous or intramuscular injection.
Indications for use. For the evaluation of adrenal function in dogs.
Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian. It is a violation of Federal law to use this product other than as directed in the labeling.
Notes, amendments, and revision history
Amendments
[91 FR 20342, Apr. 16, 2026]
Authority
Authority: 21 U.S.C. 360b.
Source
Source: 40 FR 13858, Mar. 27, 1975, unless otherwise noted.
Amendments
[91 FR 20342, Apr. 16, 2026]