Dithiazanine tablets.

(a) Specifications. Each tablet contains 10, 50, 100, or 200 milligrams (mg) dithiazanine iodide. (b) Sponsor. See No. 069043 in § 510.600(c) of this chapter. (c) Conditions of use in dogs —(1) Indications for use and amount. Administer orally immediately after feeding as follows: (i) For large roundworms ( Toxocara canis, Toxascaris leonina ): 10 mg per pound (/lb) of body weight for 3 to 5 days; (ii) For hookworms ( Ancylostoma caninum, Uncinaria stenocephala ) and whipworms ( Trichuris vulpis ): 10 mg/lb of body weight for 7 days; (iii) For Strongyloides ( Strongyloides canis, Strongyloides stercoralis ): 10 mg/lb of body weight for 10 to 12 days; (iv) For heartworm microfilariae ( Dirofilaria immitus ): 3 to 5 mg/lb of body weight for 7 to 10 days. Treatment for heartworm microfilariae should follow 6 weeks after therapy for adult worms. (2) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian. [79 FR 28820, May 20, 2014, as amended at 83 FR 48945, Sept. 28, 2018]