# Intramammary Dosage Forms; Cephapirin Sodium
> **Food and Drug Administration** · Final rule. · Published 2008-01-17 · Effective 2008-01-17 · 73 FR 3181
## Document
- **Document number:** E8-816
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 73 FR 3181
- **CFR reference:** 21 CFR 526
- **Publication date:** 2008-01-17
- **Effective date:** 2008-01-17
## Abstract

The Food and Drug Administration (FDA) is amending the animal drug regulations to reflect approval of supplemental new animal drug applications (NADAs) filed by Fort Dodge Animal Health, Division of Wyeth. The supplemental NADAs provide for revisions to the labeling of two cephapirin sodium products administered by intramammary infusion to lactating cows for the treatment of mastitis.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/01/17/E8-816/intramammary-dosage-forms-cephapirin-sodium)
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