21 CFR 520.1805
§ 520.1805 Piperazine phosphate with thenium closylate tablets.
United States · 21 CFR — Food and Drugs · Status: effective
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- Citation
- 21 CFR 520.1805, § 520.1805 Piperazine phosphate with thenium closylate tablets, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/87279
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Full text
(a) Specifications. Each scored tablet contains the equivalent of 250 milligrams piperazine hexahydrate (as piperazine phosphate) and 125 milligrams thenium (as thenium closylate) or 500 milligrams piperazine hexahydrate (as piperazine phosphate) and 250 milligrams thenium (as thenium closylate).
(b) Sponsor. See No. 000061 in § 510.600(c) of this chapter.
(c) Conditions of use—(1) Amount. Administer orally to dogs as follows:
Number of Tablets at Each of the Two Doses
(2) Indications for use. For removal of immature (fourth stage larvae) and adult hookworms (Ancylostoma caninum, A. braziliense, and Uncinaria stenocephala) and ascarids (Toxocara canis) from weaned pups and adult dogs.
(3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.