§ 520.763a Dithiazanine tablets.

Specifications.(a) Each tablet contains 10, 50, 100, or 200 milligrams (mg) dithiazanine iodide.

Sponsor.(b) See No. 069043 in § 510.600(c) of this chapter.

Conditions of use in dogsIndications for use and amount.(c) —(1) Administer orally immediately after feeding as follows:

Toxocara canis, Toxascaris leonina(i) For large roundworms (): 10 mg per pound (/lb) of body weight for 3 to 5 days;

Ancylostoma caninum, Uncinaria stenocephalaTrichuris vulpis(ii) For hookworms () and whipworms (): 10 mg/lb of body weight for 7 days;

Strongyloides canis, Strongyloides stercoralis(iii) For Strongyloides (): 10 mg/lb of body weight for 10 to 12 days;

Dirofilaria immitus(iv) For heartworm microfilariae (): 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.

Limitations.(2) 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]