21 CFR 520.2382
§ 520.2382 Thiabendazole and triclorfon.
United States · 21 CFR — Food and Drugs · Status: effective
Cite this
- Citation
- 21 CFR 520.2382, § 520.2382 Thiabendazole and triclorfon, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/87353
- Permanent ID
ys:prov:87353@1- SHA-256
c263abd2164ecfd376c9725dbf7b7270df139e62080a08cc77d3da9c96af0e6a
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
(a) Specifications. The drug contains 5 grams of thiabendazole with 4.5 grams of trichlorfon, or 20 grams of thiabendazole with 18 grams of trichlorfon.
(b) Sponsor. See No. 017135 in § 510.600(c) of this chapter.
(c) Conditions of use in horses—(1) Amount. Administer 2 grams of thiabendazole with 1.8 grams of trichlorfon per 100 pounds of body weight sprinkled on the animals' usual daily ration of feed, or may be mixed in 5 to 10 fluid ounces of water and administered by stomach tube or drench.
(2) Indications for use. For the treatment and control of bots (Gasterophilus spp.), large strongyles (Strongylus spp.), small strongyles (genera Cyathostomum, Cylicobrachytus, Craterostomum, Oesophagodontus, Poteriostomum), pinworms (Oxyuris spp., Strongyloides spp.), and ascarids (Parascaris spp.).
(3) Limitations. 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.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.