---
kind: "unit"
title: "21"
title_heading: "Food and Drugs"
key: "chI/subchE/part522"
level: "part"
label: "Part 522"
heading: "Implantation or Injectable Dosage Form New Animal Drugs"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/21/chI-subchE-part522"
sections_count: 190
---

# Part 522 — Implantation or Injectable 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

- [§522.23. Acepromazine.](/cfr/21/522.23.md)
- [§522.52. Alfaxalone.](/cfr/21/522.52.md)
- [§522.56. Amikacin.](/cfr/21/522.56.md)
- [§522.62. Aminopentamide.](/cfr/21/522.62.md)
- [§522.82. Aminopropazine.](/cfr/21/522.82.md)
- [§522.88. Amoxicillin.](/cfr/21/522.88.md)
- [§522.90. Ampicillin injectable dosage forms.](/cfr/21/522.90.md)
- [§522.90a. Ampicillin trihydrate suspension.](/cfr/21/522.90a.md)
- [§522.90b. Ampicillin trihydrate powder for injection.](/cfr/21/522.90b.md)
- [§522.90c. Ampicillin sodium.](/cfr/21/522.90c.md)
- [§522.144. Arsenamide.](/cfr/21/522.144.md)
- [§522.147. Atipamezole.](/cfr/21/522.147.md)
- [§522.150. Azaperone.](/cfr/21/522.150.md)
- [§522.158. Bedinvetmab.](/cfr/21/522.158.md)
- [§522.161. Betamethasone.](/cfr/21/522.161.md)
- [§522.163. Betamethasone dipropionate and betamethasone sodium phosphate aqueous suspension.](/cfr/21/522.163.md)
- [§522.167. Betamethasone sodium phosphate and betamethasone acetate.](/cfr/21/522.167.md)
- [§522.204. Boldenone.](/cfr/21/522.204.md)
- [§522.224. Bupivacaine.](/cfr/21/522.224.md)
- [§522.230. Buprenorphine.](/cfr/21/522.230.md)
- [§522.234. Butamisole.](/cfr/21/522.234.md)
- [§522.246. Butorphanol.](/cfr/21/522.246.md)
- [§522.275. N-Butylscopolammonium.](/cfr/21/522.275.md)
- [§522.304. Carprofen.](/cfr/21/522.304.md)
- [§522.311. Cefovecin.](/cfr/21/522.311.md)
- [§522.313. Ceftiofur injectable dosage forms.](/cfr/21/522.313.md)
- [§522.313a. Ceftiofur crystalline free acid.](/cfr/21/522.313a.md)
- [§522.313b. Ceftiofur hydrochloride.](/cfr/21/522.313b.md)
- [§522.313c. Ceftiofur sodium.](/cfr/21/522.313c.md)
- [§522.380. Chloral hydrate, pentobarbital, and magnesium sulfate.](/cfr/21/522.380.md)
- [§522.390. Chloramphenicol.](/cfr/21/522.390.md)
- [§522.454. Clodronate.](/cfr/21/522.454.md)
- [§522.460. Cloprostenol.](/cfr/21/522.460.md)
- [§522.468. Colistimethate sodium powder for injection.](/cfr/21/522.468.md)
- [§522.480. Corticotropin.](/cfr/21/522.480.md)
- [§522.500. Cosyntropin injection.](/cfr/21/522.500.md)
- [§522.522. Danofloxacin.](/cfr/21/522.522.md)
- [§522.533. Deslorelin.](/cfr/21/522.533.md)
- [§522.535. Desoxycorticosterone.](/cfr/21/522.535.md)
- [§522.536. Detomidine.](/cfr/21/522.536.md)
- [§522.540. Dexamethasone solution.](/cfr/21/522.540.md)
- [§522.558. Dexmedetomidine.](/cfr/21/522.558.md)
- [§522.563. Diatrizoate.](/cfr/21/522.563.md)
- [§522.650. Dihydrostreptomycin sulfate injection.](/cfr/21/522.650.md)
- [§522.690. Dinoprost.](/cfr/21/522.690.md)
- [§522.723. Diprenorphine.](/cfr/21/522.723.md)
- [§522.770. Doramectin.](/cfr/21/522.770.md)
- [§522.772. Doramectin and levamisole.](/cfr/21/522.772.md)
- [§522.784. Doxylamine.](/cfr/21/522.784.md)
- [§522.800. Droperidol and fentanyl.](/cfr/21/522.800.md)
- [§522.810. Embutramide, chloroquine, and lidocaine solution.](/cfr/21/522.810.md)
- [§522.812. Enrofloxacin.](/cfr/21/522.812.md)
- [§522.814. Eprinomectin.](/cfr/21/522.814.md)
- [§522.820. Erythromycin.](/cfr/21/522.820.md)
- [§522.840. Estradiol.](/cfr/21/522.840.md)
- [§522.850. Estradiol valerate and norgestomet in combination.](/cfr/21/522.850.md)
- [§522.863. Ethylisobutrazine.](/cfr/21/522.863.md)
- [§522.883. Etorphine.](/cfr/21/522.883.md)
- [§522.914. Fenprostalene.](/cfr/21/522.914.md)
- [§522.930. Firocoxib.](/cfr/21/522.930.md)
- [§522.955. Florfenicol.](/cfr/21/522.955.md)
- [§522.956. Florfenicol and flunixin.](/cfr/21/522.956.md)
- [§522.960. Flumethasone injectable dosage forms.](/cfr/21/522.960.md)
- [§522.960a. Flumethasone suspension.](/cfr/21/522.960a.md)
- [§522.960b. Flumethasone acetate solution.](/cfr/21/522.960b.md)
- [§522.960c. Flumethasone solution.](/cfr/21/522.960c.md)
- [§522.970. Flunixin.](/cfr/21/522.970.md)
- [§522.995. Fluprostenol.](/cfr/21/522.995.md)
- [§522.998. Fluralaner.](/cfr/21/522.998.md)
- [§522.1002. Follicle stimulating hormone.](/cfr/21/522.1002.md)
- [§522.1008. Frunevetmab.](/cfr/21/522.1008.md)
- [§522.1010. Furosemide.](/cfr/21/522.1010.md)
- [§522.1014. Gamithromycin.](/cfr/21/522.1014.md)
- [§522.1020. Gelatin.](/cfr/21/522.1020.md)
- [§522.1044. Gentamicin.](/cfr/21/522.1044.md)
- [§522.1055. Gleptoferron.](/cfr/21/522.1055.md)
- [§522.1066. Glycopyrrolate.](/cfr/21/522.1066.md)
- [§522.1077. Gonadorelin.](/cfr/21/522.1077.md)
- [§522.1079. Serum gonadotropin and chorionic gonadotropin.](/cfr/21/522.1079.md)
- [§522.1081. Chorionic gonadotropin.](/cfr/21/522.1081.md)
- [§522.1083. Gonadotropin releasing factor analog-diphtheria toxoid conjugate.](/cfr/21/522.1083.md)
- [§522.1085. Guaifenesin powder for injection.](/cfr/21/522.1085.md)
- [§522.1086. Guaifenesin solution.](/cfr/21/522.1086.md)
- [§522.1125. Hemoglobin glutamer-200 (bovine).](/cfr/21/522.1125.md)
- [§522.1145. Hyaluronate.](/cfr/21/522.1145.md)
- [§522.1155. Imidocarb powder for injection.](/cfr/21/522.1155.md)
- [§522.1156. Imidocarb solution.](/cfr/21/522.1156.md)
- [§522.1160. Insulin.](/cfr/21/522.1160.md)
- [§522.1182. Iron injection.](/cfr/21/522.1182.md)
- [§522.1185. Isoflupredone.](/cfr/21/522.1185.md)
- [§522.1192. Ivermectin.](/cfr/21/522.1192.md)
- [§522.1193. Ivermectin and clorsulon.](/cfr/21/522.1193.md)
- [§522.1204. Kanamycin.](/cfr/21/522.1204.md)
- [§522.1222. Ketamine.](/cfr/21/522.1222.md)
- [§522.1223. Ketamine, promazine, and aminopentamide.](/cfr/21/522.1223.md)
- [§522.1225. Ketoprofen.](/cfr/21/522.1225.md)
- [§522.1242. Levamisole.](/cfr/21/522.1242.md)
- [§522.1260. Lincomycin.](/cfr/21/522.1260.md)
- [§522.1289. Lufenuron.](/cfr/21/522.1289.md)
- [§522.1290. Luprostiol.](/cfr/21/522.1290.md)
- [§522.1315. Maropitant.](/cfr/21/522.1315.md)
- [§522.1335. Medetomidine.](/cfr/21/522.1335.md)
- [§522.1338. Medetomidine and vatinoxan.](/cfr/21/522.1338.md)
- [§522.1350. Melatonin implant.](/cfr/21/522.1350.md)
- [§522.1362. Melarsomine powder for injection.](/cfr/21/522.1362.md)
- [§522.1367. Meloxicam.](/cfr/21/522.1367.md)
- [§522.1372. Mepivacaine.](/cfr/21/522.1372.md)
- [§522.1380. Methocarbamol.](/cfr/21/522.1380.md)
- [§522.1410. Methylprednisolone.](/cfr/21/522.1410.md)
- [§522.1450. Moxidectin solution.](/cfr/21/522.1450.md)
- [§522.1451. Moxidectin microspheres for injection.](/cfr/21/522.1451.md)
- [§522.1452. Nalorphine.](/cfr/21/522.1452.md)
- [§522.1465. Naltrexone.](/cfr/21/522.1465.md)
- [§522.1468. Naproxen for injection.](/cfr/21/522.1468.md)
- [§522.1484. Neomycin.](/cfr/21/522.1484.md)
- [§522.1503. Neostigmine.](/cfr/21/522.1503.md)
- [§522.1610. Oleate sodium.](/cfr/21/522.1610.md)
- [§522.1660. Oxytetracycline injectable dosage forms.](/cfr/21/522.1660.md)
- [§522.1660a. Oxytetracycline solution, 200 milligrams/milliliter.](/cfr/21/522.1660a.md)
- [§522.1660b. Oxytetracycline solution, 300 milligrams/milliliter.](/cfr/21/522.1660b.md)
- [§522.1662. Oxytetracycline.](/cfr/21/522.1662.md)
- [§522.1663. Oxytetracycline hydrochloride with lidocaine injection.](/cfr/21/522.1663.md)
- [§522.1664. Oxytetracycline and flunixin.](/cfr/21/522.1664.md)
- [§522.1680. Oxytocin.](/cfr/21/522.1680.md)
- [§522.1684. Pegbovigrastim.](/cfr/21/522.1684.md)
- [§522.1696. Penicillin G procaine injectable dosage forms.](/cfr/21/522.1696.md)
- [§522.1696a. Penicillin G benzathine and penicillin G procaine suspension.](/cfr/21/522.1696a.md)
- [§522.1696b. Penicillin G procaine aqueous suspension.](/cfr/21/522.1696b.md)
- [§522.1696c. Penicillin G procaine in oil.](/cfr/21/522.1696c.md)
- [§522.1698. Pentazocine.](/cfr/21/522.1698.md)
- [§522.1700. Pentobarbital and phenytoin.](/cfr/21/522.1700.md)
- [§522.1703. Pentobarbital.](/cfr/21/522.1703.md)
- [§522.1704. Pentosan polysulfate sodium.](/cfr/21/522.1704.md)
- [§522.1720. Phenylbutazone.](/cfr/21/522.1720.md)
- [§522.1820. Pituitary luteinizing hormone powder for injection.](/cfr/21/522.1820.md)
- [§522.1850. Polysulfated glycosaminoglycan.](/cfr/21/522.1850.md)
- [§522.1860. Pradofloxacin.](/cfr/21/522.1860.md)
- [§522.1862. Pralidoxime powder for injection.](/cfr/21/522.1862.md)
- [§522.1870. Praziquantel.](/cfr/21/522.1870.md)
- [§522.1881. Prednisolone acetate.](/cfr/21/522.1881.md)
- [§522.1883. Prednisolone sodium phosphate.](/cfr/21/522.1883.md)
- [§522.1884. Prednisolone sodium succinate.](/cfr/21/522.1884.md)
- [§522.1890. Prednisone suspension.](/cfr/21/522.1890.md)
- [§522.1920. Prochlorperazine and isopropamide.](/cfr/21/522.1920.md)
- [§522.1940. Progesterone and estradiol benzoate.](/cfr/21/522.1940.md)
- [§522.1962. Promazine.](/cfr/21/522.1962.md)
- [§522.2002. Propiopromazine.](/cfr/21/522.2002.md)
- [§522.2005. Propofol.](/cfr/21/522.2005.md)
- [§522.2012. Prostalene.](/cfr/21/522.2012.md)
- [§522.2063. Pyrilamine.](/cfr/21/522.2063.md)
- [§522.2065. Rabacfosadine.](/cfr/21/522.2065.md)
- [§522.2075. Robenacoxib.](/cfr/21/522.2075.md)
- [§522.2076. Romifidine.](/cfr/21/522.2076.md)
- [§522.2092. Secobarbital and dibucaine.](/cfr/21/522.2092.md)
- [§522.2100. Selenium and vitamin E.](/cfr/21/522.2100.md)
- [§522.2112. Sometribove zinc suspension.](/cfr/21/522.2112.md)
- [§522.2120. Spectinomycin hydrochloride.](/cfr/21/522.2120.md)
- [§522.2121. Spectinomycin sulfate.](/cfr/21/522.2121.md)
- [§522.2150. Stanozolol.](/cfr/21/522.2150.md)
- [§522.2220. Sulfadimethoxine.](/cfr/21/522.2220.md)
- [§522.2240. Sulfaethoxypyridazine.](/cfr/21/522.2240.md)
- [§522.2260. Sulfamethazine.](/cfr/21/522.2260.md)
- [§522.2340. Sulfomyxin.](/cfr/21/522.2340.md)
- [§522.2343. Testosterone propionate and estradiol benzoate.](/cfr/21/522.2343.md)
- [§522.2404. Thialbarbitone sodium for injection.](/cfr/21/522.2404.md)
- [§522.2424. Thiamylal.](/cfr/21/522.2424.md)
- [§522.2444. Thiopental injectable dosage forms.](/cfr/21/522.2444.md)
- [§522.2444a. Thiopental powder for injection.](/cfr/21/522.2444a.md)
- [§522.2444b. Thiopental and pentobarbital powder for injection.](/cfr/21/522.2444b.md)
- [§522.2450. Tigilanol.](/cfr/21/522.2450.md)
- [§522.2460. Tildipirosin.](/cfr/21/522.2460.md)
- [§522.2470. Tiletamine and zolazepam.](/cfr/21/522.2470.md)
- [§522.2471. Tilmicosin.](/cfr/21/522.2471.md)
- [§522.2473. Tiludronate.](/cfr/21/522.2473.md)
- [§522.2474. Tolazoline.](/cfr/21/522.2474.md)
- [§522.2476. Trenbolone acetate.](/cfr/21/522.2476.md)
- [§522.2477. Trenbolone acetate and estradiol.](/cfr/21/522.2477.md)
- [§522.2478. Trenbolone acetate and estradiol benzoate.](/cfr/21/522.2478.md)
- [§522.2483. Triamcinolone.](/cfr/21/522.2483.md)
- [§522.2582. Triflupromazine.](/cfr/21/522.2582.md)
- [§522.2610. Trimethoprim and sulfadiazine.](/cfr/21/522.2610.md)
- [§522.2615. Tripelennamine.](/cfr/21/522.2615.md)
- [§522.2630. Tulathromycin.](/cfr/21/522.2630.md)
- [§522.2632. Tulathromycin and ketoprofen.](/cfr/21/522.2632.md)
- [§522.2640. Tylosin.](/cfr/21/522.2640.md)
- [§522.2662. Xylazine.](/cfr/21/522.2662.md)
- [§522.2670. Yohimbine.](/cfr/21/522.2670.md)
- [§522.2680. Zeranol.](/cfr/21/522.2680.md)
- [§522.2690. Zinc gluconate.](/cfr/21/522.2690.md)
- [§522.2694. Zinc, copper, manganese, and selenium.](/cfr/21/522.2694.md)