Section 520.1157 - Iodinated casein(a)Specifications. Each 1-gram tablet contains 25 milligrams of iodinated casein.(b)Sponsor. See No. 017762 in § 510.600(c) of this chapter.(c)Conditions of use - (1)Amount.1/5 to 1 tablet per 10 pounds of body weight (equivalent to 0.5 to 2.5 milligrams of iodinated casein per pound of body weight).(2)Indications for use. For dogs for apparent decreased thyroid activity where the signs are alopecia, scaliness of the skin surface, loss of hair, seborrhea, thickening of the skin, hyperpigmentation, and lethargy.(3)Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.49 FR 22469, May 30, 1984, as amended at 78 FR 28822 , May 20, 2014