# Ophthalmic and Topical Dosage Form New Animal Drugs; Selamectin
> **Food and Drug Administration** · Final rule. · Published 1999-09-08 · Effective 1999-09-08 · 64 FR 48707
## Document
- **Document number:** 99-23336
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 64 FR 48707
- **CFR reference:** 21 CFR 524
- **Publication date:** 1999-09-08
- **Effective date:** 1999-09-08
## 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 provides for an additional indication for control of tick (Dermacentor variabilis) infestations in dogs.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1999/09/08/99-23336/ophthalmic-and-topical-dosage-form-new-animal-drugs-selamectin)
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