Section 520.1510 - Nitenpyram(a)Specifications. Each tablet contains 11.4 or 57 milligrams (mg) nitenpyram.(b)Sponsors. See sponsor numbers in § 510.600(c) of this chapter: (1) No. 021091 for use as in paragraphs (d)(1)(i)(A), (d)(1)(ii)(A), and (d)(2) of this section.(2) No. 000061 for use as in paragraphs (d)(1)(i)(B) and (d)(1)(ii)(B) of this section.(c)Special considerations. The concurrent use of nitenpyram tablets and flavored milbemycin/lufenuron tablets as in paragraph (d)(1)(ii)(B) of this section shall be by or on the order of a licensed veterinarian.(d)Conditions of use - (1)Dogs - (i)Amount.(A) One 11.4-mg tablet for dogs weighing less than 25 pounds (lb) or one 57-mg tablet for dogs weighing more than 25 lb, as needed, for use as in paragraph (d)(1)(ii)(A) of this section.(B) One 11.4-mg tablet for dogs weighing less than 25 lb or one 57 mg tablet for dogs weighing more than 25 lbs, once or twice weekly, for use as in paragraph (d)(1)(ii)(B) of this section.(ii)Indications for use.(A) For the treatment of flea infestations on dogs and puppies 4 weeks of age and older and 2 lbs of body weight or greater.(B) The concurrent use of nitenpyram tablets as in paragraph (d)(1)(i)(B) of this section with either flavored lufenuron tablets as in § 520.1288(c)(1) of this chapter or flavored milbemycin and lufenuron tablets as in § 520.1443(d)(1) is indicated to kill adult fleas and prevent flea eggs from hatching.(2)Cats - (i)Amount.(A) One 11.4-mg tablet, as needed, for use as in paragraph (d)(2)(ii)(A) of this section.(B) One 11.4-mg tablet, once or twice weekly, for use as in paragraph (d)(2)(ii)(B) of this section.(ii)Indications for use.(A) For the treatment of flea infestations on cats and kittens 4 weeks of age and older and 2 lbs of body weight or greater.(B) The concurrent use of nitenpyram tablets as in paragraph (d)(2)(i)(B) of this section with flavored lufenuron tablets as in § 520.1288(c)(2) of this chapter is indicated to kill adult fleas and prevent flea eggs from hatching.68 FR 51906, Aug. 29, 2003, as amended at 80 FR 18776, Apr. 8, 2015; 86 FR 13184, Mar. 8, 2021; 86 FR 57997, Oct. 20, 2021 86 FR 13184, 3/8/2021; 86 FR 57997, 10/20/2021