21 CFR § 522.540Chapter I

§ 522.540 Dexamethasone solution.

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Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.

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Specifications.(a)(1) Each milliliter of solution contains 2 milligrams (mg) dexamethasone.

Sponsors.(2) See sponsors in § 510.600(c) of this chapter:

(i) Nos. 000061, 016592, and 061133 for use as in paragraph (a)(3) of this section.

(ii) No. 058005 for use as in paragraphs (a)(3)(i)(C), (a)(3)(i)(D), (a)(3)(ii)(A), and (a)(3)(iii) of this section.

Conditions of useAmount.(3) —(i) The drug is administered intravenously or intramuscularly and dosage may be repeated if necessary, as follows:

Dogs.(A) 0.25 to 1 mg.

Cats.(B) 0.125 to 0.5 mg.

Horses.(C) 2.5 to 5 mg.

Cattle.(D) 5 to 20 mg, depending on the severity of the condition.

Indications for use.(ii) The drug is indicated:

(A) For the treatment of primary bovine ketosis and as an anti-inflammatory agent in cattle and horses;

(B) As an anti-inflammatory agent in dogs and cats.

Limitations.(iii) Do not use in horses intended for human consumption. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

Specifications.(b)(1) Each milliliter of solution contains 2.0 mg of dexamethasone or 4.0 mg of dexamethasone sodium phosphate (equivalent to 3.0 mg dexamethasone).

Sponsor.(2) See No. 061133 in § 510.600(c) of this chapter.

Conditions of useAmount.(3) —(i) Administer 0.25 to 1 mg by intravenous injection, repeated for 3 to 5 days or until a response is noted.

Indications for use.(ii) For use in dogs for the treatment of inflammatory conditions, as supportive therapy in canine posterior paresis, as supportive therapy before or after surgery to enhance recovery of poor surgical risks, and as supportive therapy in nonspecific dermatosis.

Limitations.(iii) Federal law restricts this drug to use by or on the order of a licensed veterinarian.

Specifications.(c)(1) Each milliliter of solution contains 2.0 mg of dexamethasone or 4.0 mg of dexamethasone sodium phosphate (equivalent to 3.0 mg of dexamethasone).

Sponsor.(2) See No. 061133 in § 510.600(c) of this chapter.

Conditions of useAmount.(3) —(i) Administer 2.5 to 5.0 mg by intravenous injection.

Indications for use.(ii) For use in horses as a rapid adrenal glucocorticoid and/or anti-inflammatory agent.

Limitations.(iii) Do not use in horses intended for human consumption. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

Specifications.(d)(1) Each milliliter of solution contains 2.0 mg of dexamethasone or 4.0 mg of dexamethasone sodium phosphate (equivalent to 3.0 mg of dexamethasone).

Sponsors.(2) See the following numbers in § 510.600(c) of this chapter:

(i) Nos. 016592 and 051031 for intravenous or intramuscular use of 2.0 milligrams dexamethasone injection.

(ii) No. 054771 for intravenous use of 2.0 milligrams dexamethasone injection.

Conditions of useAmount.(3) —(i) Administer by intravenous or intramuscular injection as follows:

Dogs:(A) 0.25 to 1 mg.

Cats:(B) 0.125 to 0.5 mg.

Horses:(C) 2.5 to 5 mg.

Indications for use.(ii) For use in dogs, cats, and horses as an anti-inflammatory agent.

Limitations.(iii) Do not use in horses intended for human consumption. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

Specifications.(e)(1) Each milliliter of solution contains 4.0 mg of dexamethasone sodium phosphate (equivalent to 3.0 mg dexamethasone).

Sponsor.(2) See No. 069043 in § 510.600(c) of this chapter.

Conditions of useAmount.(3) —(i) Administer by intravenous injection as follows:

Dogs:(A) 0.25 to 1 mg; may be repeated for 3 to 5 days.

Horses:(B) 2.5 to 5 mg.

Indications for use.(ii) For use in dogs and horses for glucocorticoid and anti-inflammatory effect.

Limitations.(iii) Do not use in horses intended for human consumption. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

[41 FR 28265, July 9, 1976]

Editorial Note:Federal Registerwww.govinfo.gov.For citations affecting § 522.540, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at

eCFR data current as of: June 10, 2026

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.