(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]