# Ophthalmic and Topical Dosage Form New Animal Drugs; Ivermectin
> **Food and Drug Administration** · Final rule. · Published 2004-01-06 · Effective 2004-01-06 · 69 FR 501
## Document
- **Document number:** 04-130
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 69 FR 501
- **CFR reference:** 21 CFR 524
- **Publication date:** 2004-01-06
- **Effective date:** 2004-01-06
## 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 Merial Ltd. The supplemental NADA provides for topical use of ivermectin on cattle to control infections and prevent reinfection with certain species of external and internal parasites.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/01/06/04-130/ophthalmic-and-topical-dosage-form-new-animal-drugs-ivermectin)
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