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U.S. Department of Health and Human Services

CFR - Code of Federal Regulations Title 21

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The information on this page is current as of Oct 01, 2021.

For the most up-to-date version of CFR Title 21, go to the Electronic Code of Federal Regulations (eCFR).

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Help | More About 21CFR
[Code of Federal Regulations]
[Title 21, Volume 6]
[CITE: 21CFR520.2220f]



TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION
DEPARTMENT OF HEALTH AND HUMAN SERVICES
SUBCHAPTER E - ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS

PART 520 -- ORAL DOSAGE FORM NEW ANIMAL DRUGS

Sec. 520.2220f Sulfadimethoxine and ormetoprim tablet.

(a) Specifications. Each tablet contains 120 milligrams (mg) (100 mg sulfadimethoxine and 20 mg ormetoprim), 240 mg (200 mg sulfadimethoxine and 40 mg ormetoprim), 600 mg (500 mg sulfadimethoxine and 100 mg ormetoprim), or 1200 mg (1000 mg sulfadimethoxine and 200 mg ormetoprim).

(b) Sponsor. See No. 054771 in § 510.600(c) of this chapter.

(c) Conditions of use in dogs - (1) Amount. On the first day of treatment, administer 25 mg per pound (55 mg per kilogram) of body weight. Then follow with a daily dosage of 12.5 mg per pound (27.5 mg per kilogram) of body weight. Do not exceed a total of 21 consecutive days.

(2) Indications of use. Treatment of skin and soft tissue infections (wounds and abscesses) in dogs caused by strains of Staphylococcus aureus and Escherichia coli and urinary tract infections caused by E. coli, Staphylococcus spp., and Proteus mirabilus susceptible to ormetoprim-potentiated sulfadimethoxine.

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

[79 FR 28830, May 20, 2014]

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