# Ophthalmic and Topical Dosage Form New Animal Drugs; Selamectin
> **Food and Drug Administration** · Final rule. · Published 2009-04-30 · Effective 2009-04-30 · 74 FR 19877
## Document
- **Document number:** E9-9901
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 74 FR 19877
- **CFR reference:** 21 CFR 524
- **Publication date:** 2009-04-30
- **Effective date:** 2009-04-30
- **HHS docket:** Docket No. FDA-2009-N-0665
## Abstract

The Food and Drug Administration (FDA) is amending the animal drug regulations to reflect approval of a supplemental new animal drug application (NADA) filed by Pfizer, Inc. The supplemental NADA revises the minimum age of treatment from 6 weeks to 8 weeks for kittens treated with a topical selamectin solution.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/04/30/E9-9901/ophthalmic-and-topical-dosage-form-new-animal-drugs-selamectin)
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