---
kind: "unit"
title: "21"
title_heading: "Food and Drugs"
key: "chI/subchE/part524"
level: "part"
label: "Part 524"
heading: "Ophthalmic and Topical Dosage Form New Animal Drugs"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/21/chI-subchE-part524"
sections_count: 91
---

# Part 524 — Ophthalmic and Topical Dosage Form New Animal Drugs

Title 21 C.F.R. — Food and Drugs › Chapter I — Food and Drug Administration, Department of Health and Human Services › Subchapter E — Animal Drugs, Feeds, and Related Products

## Sections

- [§524.86. Amitraz.](/cfr/21/524.86.md)
- [§524.154. Bacitracin, neomycin, and polymyxin B ophthalmic ointment.](/cfr/21/524.154.md)
- [§524.155. Bacitracin, neomycin, polymyxin B, and hydrocortisone ophthalmic ointment.](/cfr/21/524.155.md)
- [§524.230. Buprenorphine.](/cfr/21/524.230.md)
- [§524.390. Chloramphenicol ophthalmic ointment.](/cfr/21/524.390.md)
- [§524.402. Chlorhexidine.](/cfr/21/524.402.md)
- [§524.450. Clotrimazole.](/cfr/21/524.450.md)
- [§524.463. Copper naphthenate.](/cfr/21/524.463.md)
- [§524.575. Cyclosporine ophthalmic ointment.](/cfr/21/524.575.md)
- [§524.590. Diclofenac.](/cfr/21/524.590.md)
- [§524.660. Dimethyl sulfoxide.](/cfr/21/524.660.md)
- [§524.770. Doramectin.](/cfr/21/524.770.md)
- [§524.775. Emodepside and praziquantel.](/cfr/21/524.775.md)
- [§524.802. Enrofloxacin and silver sulfadiazine otic emulsion.](/cfr/21/524.802.md)
- [§524.814. Eprinomectin.](/cfr/21/524.814.md)
- [§524.815. Eprinomectin and praziquantel.](/cfr/21/524.815.md)
- [§524.838. Esafoxolaner, eprinomectin, and praziquantel.](/cfr/21/524.838.md)
- [§524.900. Famphur.](/cfr/21/524.900.md)
- [§524.920. Fenthion.](/cfr/21/524.920.md)
- [§524.955. Florfenicol, terbinafine, and betamethasone acetate otic gel.](/cfr/21/524.955.md)
- [§524.957. Florfenicol, terbinafine, and mometasone otic solution.](/cfr/21/524.957.md)
- [§524.960. Flumethasone, neomycin, and polymyxin B ophthalmic solution.](/cfr/21/524.960.md)
- [§524.970. Flunixin.](/cfr/21/524.970.md)
- [§524.981. Reserved](/cfr/21/524.981.md)
- [§524.981a. Fluocinolone cream.](/cfr/21/524.981a.md)
- [§524.981b. Fluocinolone solution.](/cfr/21/524.981b.md)
- [§524.981c. Fluocinolone and neomycin cream.](/cfr/21/524.981c.md)
- [§524.981d. Fluocinolone and dimethyl sulfoxide solution.](/cfr/21/524.981d.md)
- [§524.981e. Fluocinolone and dimethyl sulfoxide otic solution.](/cfr/21/524.981e.md)
- [§524.998. Fluralaner.](/cfr/21/524.998.md)
- [§524.1001. Fluralaner and moxidectin.](/cfr/21/524.1001.md)
- [§524.1005. Furazolidone powder.](/cfr/21/524.1005.md)
- [§524.1044. Gentamicin ophthalmic and topical dosage forms.](/cfr/21/524.1044.md)
- [§524.1044a. Gentamicin ophthalmic solution.](/cfr/21/524.1044a.md)
- [§524.1044b. Gentamicin and betamethasone otic solution.](/cfr/21/524.1044b.md)
- [§524.1044c. Gentamicin ophthalmic ointment.](/cfr/21/524.1044c.md)
- [§524.1044d. Gentamicin and betamethasone ointment.](/cfr/21/524.1044d.md)
- [§524.1044e. Gentamicin spray.](/cfr/21/524.1044e.md)
- [§524.1044f. Gentamicin and betamethasone spray.](/cfr/21/524.1044f.md)
- [§524.1044g. Gentamicin, betamethasone, and clotrimazole ointment.](/cfr/21/524.1044g.md)
- [§524.1044h. Gentamicin, mometasone, and clotrimazole otic suspension.](/cfr/21/524.1044h.md)
- [§524.1044i. Gentamicin and betamethasone ophthalmic solution.](/cfr/21/524.1044i.md)
- [§524.1132. Hydrocortisone, miconazole, and gentamicin otic suspension.](/cfr/21/524.1132.md)
- [§524.1140. Imidacloprid and ivermectin.](/cfr/21/524.1140.md)
- [§524.1144j. Gentamicin, posaconazole, and mometasone furoate otic suspension.](/cfr/21/524.1144j.md)
- [§524.1146. Imidacloprid and moxidectin.](/cfr/21/524.1146.md)
- [§524.1193. Ivermectin topical solution.](/cfr/21/524.1193.md)
- [§524.1195. Ivermectin otic suspension.](/cfr/21/524.1195.md)
- [§524.1200. Kanamycin ophthalmic and topical dosage forms.](/cfr/21/524.1200.md)
- [§524.1200a. Kanamycin ophthalmic ointment.](/cfr/21/524.1200a.md)
- [§524.1200b. Kanamycin ophthalmic solution.](/cfr/21/524.1200b.md)
- [§524.1204. Kanamycin, amphomycin, and hydrocortisone ointment.](/cfr/21/524.1204.md)
- [§524.1240. Levamisole.](/cfr/21/524.1240.md)
- [§524.1312. Marbofloxacin, terbinafine, and dexamethasone otic suspension.](/cfr/21/524.1312.md)
- [§524.1376. 2-Mercaptobenzothiazole solution.](/cfr/21/524.1376.md)
- [§524.1443. Miconazole.](/cfr/21/524.1443.md)
- [§524.1445. Miconazole, polymixin B, and prednisolone suspension.](/cfr/21/524.1445.md)
- [§524.1446. Milbemycin otic solution.](/cfr/21/524.1446.md)
- [§524.1448. Mirtazapine transdermal ointment.](/cfr/21/524.1448.md)
- [§524.1450. Moxidectin.](/cfr/21/524.1450.md)
- [§524.1465. Mupirocin.](/cfr/21/524.1465.md)
- [§524.1484. Neomycin ophthalmic and topical dosage forms.](/cfr/21/524.1484.md)
- [§524.1484b. Neomycin, isoflupredone, and tetracaine powder.](/cfr/21/524.1484b.md)
- [§524.1484c. Neomycin, isoflupredone, and tetracaine ointment.](/cfr/21/524.1484c.md)
- [§524.1484d. Neomycin, hydrocortisone, and tetracaine otic ointment.](/cfr/21/524.1484d.md)
- [§524.1484e. Neomycin and polymyxin B ophthalmic solution.](/cfr/21/524.1484e.md)
- [§524.1484f. Neomycin, prednisolone, and tetracaine otic suspension.](/cfr/21/524.1484f.md)
- [§524.1484g. Neomycin, thiabendazole, and dexamethasone solution.](/cfr/21/524.1484g.md)
- [§524.1484h. Neomycin, penicillin, polymyxin B, and hydrocortisone suspension.](/cfr/21/524.1484h.md)
- [§524.1484i. Neomycin and hydrocortisone ointment.](/cfr/21/524.1484i.md)
- [§524.1484k. Neomycin and prednisolone suspension.](/cfr/21/524.1484k.md)
- [§524.1580. Nitrofurazone topical dosage forms.](/cfr/21/524.1580.md)
- [§524.1580a. Nitrofurazone ointment.](/cfr/21/524.1580a.md)
- [§524.1580b. Nitrofurazone soluble powder.](/cfr/21/524.1580b.md)
- [§524.1600. Nystatin ophthalmic and topical dosage forms.](/cfr/21/524.1600.md)
- [§524.1600a. Nystatin, neomycin, thiostrepton, and triamcinolone ointment.](/cfr/21/524.1600a.md)
- [§524.1600b. Nystatin, neomycin, thiostrepton, and triamcinolone ophthalmic ointment.](/cfr/21/524.1600b.md)
- [§524.1610. Orbifloxacin, mometasone furoate monohydrate, and posaconazole suspension.](/cfr/21/524.1610.md)
- [§524.1662. Oxytetracycline ophthalmic and topical dosage forms.](/cfr/21/524.1662.md)
- [§524.1662a. Oxytetracycline and hydrocortisone spray.](/cfr/21/524.1662a.md)
- [§524.1662b. Oxytetracycline and polymyxin B ophthalmic ointment.](/cfr/21/524.1662b.md)
- [§524.1742. Phosmet emulsifiable liquid.](/cfr/21/524.1742.md)
- [§524.1982. Proparacaine ophthalmic solution.](/cfr/21/524.1982.md)
- [§524.2080. Ropinirole.](/cfr/21/524.2080.md)
- [§524.2098. Selamectin.](/cfr/21/524.2098.md)
- [§524.2099. Selamectin and sarolaner.](/cfr/21/524.2099.md)
- [§524.2101. Selenium disulfide suspension.](/cfr/21/524.2101.md)
- [§524.2338. Terbinafine and betamethasone acetate.](/cfr/21/524.2338.md)
- [§524.2350. Tolnaftate cream.](/cfr/21/524.2350.md)
- [§524.2482. Triamcinolone spray.](/cfr/21/524.2482.md)
- [§524.2620. Liquid crystalline trypsin, Peru balsam, castor oil.](/cfr/21/524.2620.md)