# Ophthalmic and Topical Dosage Form New Animal Drugs; Doramectin
> **Food and Drug Administration** · Final rule. · Published 2005-07-26 · Effective 2006-07-26 · 70 FR 43046
## Document
- **Document number:** 05-14630
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 70 FR 43046
- **CFR reference:** 21 CFR 524
- **Publication date:** 2005-07-26
- **Effective date:** 2006-07-26
## 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 a period of protection from reinfestation with two species of external parasites following topical administration of doramectin solution on cattle.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/07/26/05-14630/ophthalmic-and-topical-dosage-form-new-animal-drugs-doramectin)
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