(a) Specifications. Each milliliter contains 15 milligrams of cythioate.

(b) Sponsor. See Nos. 000859 and 054771 in §510.600 of this chapter.

(c) Special considerations. Cythioate is a cholinesterase inhibitor. Do not use this product in animals simultaneously with or within a few days before or after treatment with or exposure to cholinesterase-inhibiting drugs, insecticides, pesticides, or chemicals.

(d) Conditions of use—(1) Amount. 15 milligrams cythioate per 10 pounds of body weight every third day or twice a week.

(2) Indications for use. Dogs, for control of fleas.

(3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

[49 FR 5614, Feb. 14, 1984, as amended at 67 FR 78355, Dec. 24, 2002; 79 FR 28819, May 20, 2014]