GroundRules
21 CFR 520.2382: Thiabendazole and triclorfon.
Where this section sits in the code
- 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 520—ORAL DOSAGE FORM NEW ANIMAL DRUGS
(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.
Collected 2026-08-27T02:24:47Z. Source file · JSON