# Oral Dosage Form New Animal Drugs; Phenylbutazone Powder
> **Food and Drug Administration** · Final rule. · Published 2007-05-18 · Effective 2007-05-18 · 72 FR 27955
## Document
- **Document number:** E7-9559
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 72 FR 27955
- **CFR reference:** 21 CFR 510
- **Publication date:** 2007-05-18
- **Effective date:** 2007-05-18
## 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 Superior Equine Pharmaceuticals, Inc. The ANADA provides for the veterinary prescription use of phenylbutazone powder administered to horses in feed for the relief of inflammatory conditions associated with the musculoskeletal system.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/05/18/E7-9559/oral-dosage-form-new-animal-drugs-phenylbutazone-powder)
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