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 Code of Federal Regulations (Last Updated: May 6, 2024)
 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

  § 520.2380f - Thiabendazole and triclorfon.  

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  • § 520.2380f Thiabendazole and piperazine phosphatetriclorfon.

    (a) Specifications. Each ounce of water dispersible powder contains 6.67 The drug contains 5 grams of thiabendazole and 8with 4.33 grams of piperazine (as piperazine phosphate)5 grams of trichlorfon, or 20 grams of thiabendazole with 18 grams of trichlorfon.

    (b) Sponsor. See No. 050604 017135 in § 510.600(c) of this chapter.

    (c) Conditions of use in horses -

    (1) Amount. Administer 2 grams of thiabendazole and 2with 1.5 8 grams of piperazine (0.3 ounce of powder) trichlorfon per 100 pounds of body weight . Use a single oral dose. Administer as a drench or by stomach tube suspended in 1 pint of warm water; by dose syringe suspended in 1⁄2 ounce of water for each 100 pounds of body weight; or sprinkled over a small amount of daily feedsprinkled 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. Treatment of infections of For the treatment and control of bots (Gasterophilus spp.), large strongyles (genus Strongylus spp.), small strongyles (genera Cyathostomum, Cylicobrachytus, and related genera Craterostomum, Oesophagodontus, Poteriostomum), pinworms (Oxyuris) spp., threadworms ( Strongyloides spp.), and ascarids (Parascaris spp.) in horses.

    (3) Limitations. Do not use in horses intended for human consumption. If the label bears directions for administration by stomach tube or drench, it shall also bear the statement “Caution: Federal law restricts this drug to use by or on the order of a licensed veterinarian. ”; if not labeled for use by stomach tube or drench, the label shall bear the statement, “Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.”

    [46 FR 18963, Mar. 27, 1981[40 FR 23071, May 28, 1975, as amended at 46 48 FR 5233048229, Oct. 2718, 1981; 62 FR 63271, Nov. 28, 1997; 1983; 79 FR 28832, May 20, 2014. Redesignated at 84 FR 39183, Aug. 9, 2019]