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Code of Federal Regulations Title 21. Food and Drugs § 21.522.1242 Levamisole

Current as of January 02, 2025 | Updated by Findlaw Staff

(a) Specifications. Each milliliter of solution contains levamisole phosphate equivalent to 136.5 or 182 milligrams of levamisole hydrochloride (13.65 or 18.2 percent).

(b) Sponsor. See Nos. 000061 and 016592 in § 510.600 of this chapter for use of 13.65 percent injection, and see No. 054771 for use of 13.65 and 18.2 percent injection.

(c) Related tolerances. See § 556.350 of this chapter.

(d) Conditions of use—

(1) Amount. 2 milliliters per 100 pounds of body weight, subcutaneously in the neck.

(2) Indications for use.

(i) The 13.65 percent injection is used as an anthelmintic in cattle for treatment of the following parasites:  stomach worms (Haemonchus, Trichostrongylus, Ostertagia), intestinal worms (Trichostrongylus, Cooperia, Nematodirus, Bunostomum, Oesophagostomum, Chabertia), and lungworms (Dictyocaulus).

(ii) The 18.2 percent injection is used as an anthelmintic in cattle for treatment of the following parasites:  stomach worms (Haemonchus, Trichostrongylus, Ostertagia), intestinal worms (Trichostrongylus, Cooperia, Nematodirus, Bunostomum, Oesophagostomum) and lungworms (Dictyocaulus).

(3) Limitations. Do not administer more than 10 milliliters per site. Cattle that are severely parasitized or maintained under conditions of constant helminth exposure may require re-treatment within 2 to 4 weeks after first treatment. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism. Consult your veterinarian before using in severely debilitated animals or animals under severe stress. Do not administer to cattle within 7 days of slaughter. Do not administer to dairy animals of breeding age.

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Cite this article: FindLaw.com - Code of Federal Regulations Title 21. Food and Drugs § 21.522.1242 Levamisole - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-21-food-and-drugs/cfr-sect-21-522-1242/

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