# Oral Dosage Form New Animal Drugs; Phenylbutazone Tablets and Boluses
> **Food and Drug Administration** · Final rule. · Published 2003-07-10 · Effective 2003-07-10 · 68 FR 41065
## Document
- **Document number:** 03-17439
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 68 FR 41065
- **CFR reference:** 21 CFR 510
- **Publication date:** 2003-07-10
- **Effective date:** 2003-07-10
## Abstract

The Food and Drug Administration (FDA) is amending the animal drug regulations to reflect approval of an abbreviated new animal drug application (ANADA) filed by West-Ward Pharmaceutical Corp. The ANADA provides for oral use of phenylbutazone tablets in horses for relief of inflammatory conditions associated with the musculoskeletal system.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/07/10/03-17439/oral-dosage-form-new-animal-drugs-phenylbutazone-tablets-and-boluses)
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