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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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[Code of Federal Regulations]
[Title 21, Volume 6]
[CITE: 21CFR520.1372]



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. 520.1372 Methimazole.

(a) Specifications. Each tablet contains 2.5 or 5 milligrams (mg) methimazole.

(b) Sponsor. See No. 043264 in § 510.600 of this chapter.

(c) Conditions of use in cats - (1) Amount. The starting dose is 2.5 mg every 12 hours. Following 3 weeks of treatment, the dose should be titrated to effect based on individual serum total T4 levels and clinical response.

(2) Indications for use. For the treatment of hyperthyroidism.

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

[74 FR 27707, June 11, 2009]

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