{"data":{"id":"us/21-cfr-522.144","jurisdiction":"us","citation":"21 CFR 522.144","heading":"Arsenamide.","body":"(a) Specifications. Each milliliter of solution contains 10.0 milligrams arsenamide sodium.\n(b) Sponsor. See No. 000010 in § 510.600(c) of this chapter.\n(c) Conditions of use in dogs—(1) Amount. Administer 0.1 milliliter (mL) per pound of body weight (1.0 mL for every 10 pounds) by intravenous injection twice a day for 2 days.\n(2) Indications for use. For the treatment and prevention of canine heartworm disease caused by Dirofilaria immitis.\n(3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER E—ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS","PART 522—IMPLANTATION OR INJECTABLE DOSAGE FORM NEW ANIMAL DRUGS"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"e5d317126247619fbeaa0b0ddebce6483e0ee3108a82a9f2aa0f34d99a805ed6","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-522.90c","next":"us/21-cfr-522.147"},"notice":"GroundRules: Original legal text. Not legal advice."}