21 CFR § 522.1362Chapter I

§ 522.1362 Melarsomine powder for injection.

Primary source

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.

Full Text

(a) Specifications. The drug consists of a vial of lyophilized powder containing 50 milligrams of melarsomine dihydrochloride which is reconstituted with the provided 2 milliliters of sterile water for injection.

(b) Sponsor. See Nos. 000010 and 086073 in § 510.600(c) of this chapter.

(c) Conditions of use—(1) Amount. Administer only by deep intramuscular injection in the lumbar muscles (L3-L5).

(2) Indications. Treatment of stabilized, class 1, 2, and 3 heartworm disease (asymptomatic to mild, moderate, and severe, respectively) caused by immature (4 month-old, stage L5) to mature adult infections of Dirofilaria immitis in dogs.

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

[60 FR 49340, Sept. 25, 1995, as amended at 79 FR 16191, Mar. 25, 2014; 82 FR 21690, May 10, 2017; 84 FR 39184, Aug. 9, 2019]

eCFR data current as of: June 12, 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.