Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 21 - Food and Drugs |
Chapter I - Food and Drug Administration, Department of Health and Human Services |
SubChapter E - Animal Drugs, Feeds, and Related Products |
Part 520 - Oral Dosage Form New Animal Drugs |
§ 520.23 - Acepromazine. |
§ 520.28 - Acetazolamide. |
§ 520.35 - Afoxolaner, moxidectin, and pyrantel. |
§ 520.38 - Albendazole oral dosage forms. |
§ 520.43 - Afoxolaner. |
§ 520.44 - Acetazolamide sodium soluble powder. |
§ 520.45 - Albendazole oral dosage forms. |
§ 520.48 - Altrenogest. |
§ 520.62 - Aminopentamide. |
§ 520.82 - Aminopropazine oral dosage forms. |
§ 520.88 - Amoxicillin oral dosage forms. |
§ 520.90 - Ampicillin oral dosage forms. |
§ 520.100 - Amprolium. |
§ 520.110 - Apramycin sulfate soluble powder. |
§ 520.154 - Bacitracin oral dosage forms. |
§ 520.170 - Bexagliflozin. |
§ 520.182 - Bicyclohexylammonium fumagillin. |
§ 520.222 - Bunamidine hydrochloride. |
§ 520.246 - Butorphanol tablets. |
§ 520.260 - n-Butyl chloride. |
§ 520.284 - Cambendazole oral dosage forms. |
§ 520.292 - Capromorelin. |
§ 520.300 - Cambendazole oral dosage forms. |
§ 520.301 - Caramiphen ethanedisulfonate and ammonium chloride tablets. |
§ 520.302 - Carnidazole tablets. |
§ 520.304 - Carprofen. |
§ 520.309 - Carprofen. |
§ 520.310 - Caramiphen ethanedisulfonate and ammonium chloride tablets. |
§ 520.312 - Carnidazole tablets. |
§ 520.314 - Cefadroxil. |
§ 520.315 - Cefadroxil powder for oral suspension. |
§ 520.370 - Cefpodoxime tablets. |
§ 520.376 - Cephalexin. |
§ 520.390 - Chloramphenicol oral dosage forms. |
§ 520.420 - Chlorothiazide. |
§ 520.434 - Chlorphenesin carbamate tablets. |
§ 520.441 - Chlortetracycline powder. |
§ 520.443 - Chlortetracycline tablets and boluses. |
§ 520.445 - Chlortetracycline and sulfamethazine powder. |
§ 520.446 - Clindamycin capsules and tablets. |
§ 520.447 - Clindamycin solution. |
§ 520.452 - Clenbuterol syrup. |
§ 520.455 - Clomipramine. |
§ 520.462 - Clorsulon drench. |
§ 520.522 - Cyclosporine. |
§ 520.530 - Cythioate oral liquid. |
§ 520.531 - Cythioate tablets. |
§ 520.534 - Decoquinate. |
§ 520.538 - Deracoxib. |
§ 520.540 - Dexamethasone oral dosage forms. |
§ 520.550 - Glucose/glycine/electrolyte. |
§ 520.563 - Diatrizoate. |
§ 520.580 - Dichlorophene and toluene. |
§ 520.581 - Dichlorophene tablets. |
§ 520.596 - Dichlorvos powder. |
§ 520.598 - Dichlorvos tablets. |
§ 520.600 - Dichlorvos capsules and pellets. |
§ 520.602 - Dichlorvos gel. |
§ 520.606 - Diclazuril. |
§ 520.608 - Dicloxacillin. |
§ 520.620 - Diethylcarbamazine oral dosage forms. |
§ 520.622 - Diethylcarbamazine citrate oral dosage forms. |
§ 520.623 - Diethylcarbamazine and oxibendazole chewable tablets. |
§ 520.645 - Difloxacin. |
§ 520.666 - Dirlotapide. |
§ 520.763 - Dithiazanine oral dosage forms. |
§ 520.766 - Domperidone. |
§ 520.784 - Doxylamine. |
§ 520.804 - Enalapril. |
§ 520.812 - Enrofloxacin. |
§ 520.813 - Enrofloxacin oral solution. |
§ 520.816 - Epsiprantel. |
§ 520.823 - Erythromycin. |
§ 520.852 - Estriol. |
§ 520.863 - Ethylisobutrazine. |
§ 520.870 - Etodolac. |
§ 520.903 - Febantel oral dosage forms. |
§ 520.905 - Fenbendazole oral dosage forms. |
§ 520.928 - Firocoxib tablets. |
§ 520.929 - Firocoxib solution. |
§ 520.930 - Firocoxib paste. |
§ 520.955 - Florfenicol. |
§ 520.960 - Flumethasone. |
§ 520.970 - Flunixin. |
§ 520.980 - Fluoxetine. |
§ 520.998 - Fluralaner. |
§ 520.1010 - Furosemide. |
§ 520.1044 - Gentamicin sulfate oral dosage forms. |
§ 520.1060 - Glucose and glycine. |
§ 520.1084 - Grapiprant. |
§ 520.1100 - Griseofulvin. |
§ 520.1120 - Haloxon oral dosage forms. |
§ 520.1130 - Hetacillin. |
§ 520.1150 - Imepitoin. |
§ 520.1156 - Imidacloprid. |
§ 520.1157 - Iodinated casein. |
§ 520.1158 - Iodochlorhydroxyquin. |
§ 520.1182 - Iron dextran suspension. |
§ 520.1189 - Itraconazole. |
§ 520.1192 - Ivermectin paste. |
§ 520.1193 - Ivermectin tablets and chewables. |
§ 520.1194 - Ivermectin meal. |
§ 520.1195 - Ivermectin liquid. |
§ 520.1196 - Ivermectin and pyrantel tablets. |
§ 520.1197 - Ivermectin sustained-release bolus. |
§ 520.1198 - Ivermectin and praziquantel paste. |
§ 520.1199 - Ivermectin, pyrantel, and praziquantel tablets. |
§ 520.1200 - Ivermectin, fenbendazole, and praziquantel tablets. |
§ 520.1204 - Kanamycin, bismuth subcarbonate, activated attapulgite. |
§ 520.1205 - Kanamycin sulfate, pectin, bismuth subcarbonate, activated attapulgite tablets. |
§ 520.1242 - Levamisole. |
§ 520.1248 - Levothyroxine. |
§ 520.1263 - Lincomycin. |
§ 520.1265 - Lincomycin and spectinomycin powder. |
§ 520.1284 - Liothyronine. |
§ 520.1286 - Lotilaner. |
§ 520.1288 - Lufenuron tablets. |
§ 520.1289 - Lufenuron suspension. |
§ 520.1310 - Marbofloxacin. |
§ 520.1315 - Maropitant. |
§ 520.1320 - Mebendazole. |
§ 520.1326 - Mebendazole and trichlorfon oral dosage forms. |
§ 520.1330 - Meclofenamic acid granules. |
§ 520.1331 - Meclofenamic acid tablets. |
§ 520.1341 - Megestrol. |
§ 520.1350 - Meloxicam. |
§ 520.1367 - Meloxicam. |
§ 520.1372 - Methimazole. |
§ 520.1380 - Methocarbamol. |
§ 520.1390 - (S)-methoprene. |
§ 520.1408 - Methylprednisolone. |
§ 520.1409 - Methylprednisolone and aspirin. |
§ 520.1422 - Metoserpate hydrochloride. |
§ 520.1425 - Metronidazole. |
§ 520.1430 - Mibolerone. |
§ 520.1441 - Milbemycin. |
§ 520.1443 - Milbemycin oxime and lufenuron. |
§ 520.1445 - Milbemycin oxime and praziquantel. |
§ 520.1446 - Milbemcyin oxime and lufenuron tablets. |
§ 520.1447 - Milbemycin oxime, lufenuron, and praziquantel tablets. |
§ 520.1448 - Monensin oral dosage forms. |
§ 520.1450 - Morantel tartrate oral dosage forms. |
§ 520.1451 - Moxidectin tablets. |
§ 520.1452 - Moxidectin gel. |
§ 520.1453 - Moxidectin and praziquantel gel. |
§ 520.1454 - Moxidectin solution. |
§ 520.1468 - Naproxen. |
§ 520.1484 - Neomycin. |
§ 520.1485 - Neomycin sulfate oral solution. |
§ 520.1498 - Nitazoxanide paste. |
§ 520.1510 - Nitenpyram. |
§ 520.1604 - Oclacitinib. |
§ 520.1615 - Omeprazole. |
§ 520.1616 - Orbifloxacin tablets. |
§ 520.1618 - Orbifloxacin suspension. |
§ 520.1628 - Oxfendazole powder and pellets. |
§ 520.1629 - Oxfendazole paste. |
§ 520.1630 - Oxfendazole suspension. |
§ 520.1631 - Oxfendazole and trichlorfon paste. |
§ 520.1638 - Oxibendazole. |
§ 520.1640 - Oxibendazole suspension. |
§ 520.1660 - Oxytetracycline. |
§ 520.1664 - Oxytetracycline and carbomycin. |
§ 520.1696 - Penicillin. |
§ 520.1705 - Pergolide. |
§ 520.1720 - Phenylbutazone oral dosage forms. |
§ 520.1760 - Phenylpropanolamine. |
§ 520.1780 - Pimobendan tablets. |
§ 520.1782 - Pimobendan solution. |
§ 520.1802 - Piperazine-carbon disulfide complex oral dosage forms. |
§ 520.1803 - Piperazine citrate capsules. |
§ 520.1804 - Piperazine phosphate capsules. |
§ 520.1805 - Piperazine phosphate with thenium closylate tablets. |
§ 520.1806 - Piperazine suspension. |
§ 520.1807 - Piperazine. |
§ 520.1840 - Poloxalene. |
§ 520.1846 - Polyoxyethylene (23) lauryl ether blocks. |
§ 520.1855 - Ponazuril. |
§ 520.1860 - Pradofloxacin. |
§ 520.1870 - Praziquantel tablets. |
§ 520.1871 - Praziquantel and pyrantel. |
§ 520.1872 - Praziquantel, pyrantel pamoate, and febantel tablets. |
§ 520.1880 - Prednisolone. |
§ 520.1892 - Pregabalin. |
§ 520.1900 - Primidone. |
§ 520.1920 - Prochlorperazine and isopropamide. |
§ 520.1921 - Prochlorperazine, isopropamide, and neomycin. |
§ 520.1962 - Promazine. |
§ 520.2002 - Propiopromazine. |
§ 520.2041 - Pyrantel pamoate chewable tablets. |
§ 520.2042 - Pyrantel pamoate tablets. |
§ 520.2043 - Pyrantel pamoate suspension. |
§ 520.2044 - Pyrantel pamoate paste. |
§ 520.2045 - Pyrantel tartrate powder. |
§ 520.2046 - Pyrantel tartrate pellets. |
§ 520.2075 - Robenacoxib. |
§ 520.2086 - Sarolaner. |
§ 520.2087 - Roxarsone soluble powder. |
§ 520.2088 - Roxarsone tablets. |
§ 520.2089 - Roxarsone liquid. |
§ 520.2090 - Sarolaner, moxidectin, and pyrantel. |
§ 520.2095 - Sarafloxacin soluble powder. |
§ 520.2098 - Selegiline. |
§ 520.2100 - Selenium and vitamin E. |
§ 520.2122 - Spectinomycin dihydrochloride oral solution. |
§ 520.2123 - Spectinomycin oral dosage forms. |
§ 520.2130 - Spinosad. |
§ 520.2134 - Spinosad and milbemycin. |
§ 520.2138 - Spironolactone and benazepril. |
§ 520.2150 - Stanozolol. |
§ 520.2158 - Streptomycin. |
§ 520.2160 - Styrylpyridinium, diethylcarbamazine oral dosage forms. |
§ 520.2170 - Sulfabromomethazine. |
§ 520.2184 - Sulfachloropyrazine. |
§ 520.2200 - Sulfachlorpyridazine. |
§ 520.2215 - Sulfadiazine/pyrimethamine suspension. |
§ 520.2218 - Sulfamerazine, sulfamethazine, and sulfaquinoxaline powder. |
§ 520.2220 - Sulfadimethoxine oral dosage forms. |
§ 520.2240 - Sulfaethoxypyridazine. |
§ 520.2260 - Sulfamethazine oral dosage forms. |
§ 520.2261 - Sulfamethazine sodium oral dosage forms. |
§ 520.2280 - Sulfamethizole and methenamine. |
§ 520.2320 - Sulfanitran and aklomide in combination. |
§ 520.2325 - Sulfaquinoxaline oral dosage forms. |
§ 520.2330 - Sulfisoxazole tablets. |
§ 520.2335 - Telmisartan. |
§ 520.2340 - Tepoxalin. |
§ 520.2345 - Tetracycline. |
§ 520.2362 - Thenium closylate. |
§ 520.2380 - Thiabendazole oral dosage forms. |
§ 520.2455 - Tiamulin. |
§ 520.2456 - Tiamulin liquid concentrate. |
§ 520.2460 - Ticarbodine oral dosage forms. |
§ 520.2471 - Tilmicosin. |
§ 520.2473 - Tioxidazole oral dosage forms. |
§ 520.2475 - Toceranib. |
§ 520.2481 - Triamcinolone acetonide tablets. |
§ 520.2482 - Triamcinolone acetonide oral powder. |
§ 520.2483 - Triamcinolone. |
§ 520.2520 - Trichlorfon oral dosage forms. |
§ 520.2582 - Triflupromazine. |
§ 520.2598 - Trilostane. |
§ 520.2604 - Trimeprazine and prednisolone tablets. |
§ 520.2605 - Trimeprazine and prednisolone capsules. |
§ 520.2610 - Trimethoprim and sulfadiazine tablets. |
§ 520.2611 - Trimethoprim and sulfadiazine paste. |
§ 520.2612 - Trimethoprim and sulfadiazine suspension. |
§ 520.2613 - Trimethoprim and sulfadiazine powder. |
§ 520.2640 - Tylosin. |
§ 520.2645 - Tylvalosin. |
§ 520.2654 - Velagliflozin. |
§ 520.90a - Ampicillin tablets. |
§ 520.100a - Amprolium drinking water. |
§ 520.300a - Cambendazole suspension. |
§ 520.390a - Chloramphenicol tablets. |
§ 520.540a - Dexamethasone powder. |
§ 520.970a - Flunixin meglumine granules. |
§ 520.1010a - Furosemide tablets or boluses. |
§ 520.1120a - Haloxon drench. |
§ 520.1130a - Hetacillin potassium capsules. |
§ 520.1450a - Morantel tartrate bolus. |
§ 520.1660a - [Reserved] |
§ 520.1720a - Phenylbutazone tablets and boluses. |
§ 520.2150a - Stanozolol tablets. |
§ 520.2200a - Sulfachlorpyridazine bolus. |
§ 520.2220a - Sulfadimethoxine oral solution and soluble powder. |
§ 520.2240a - Sulfaethoxypyridazine solution. |
§ 520.2260a - Sulfamethazine oblets and boluses. |
§ 520.2380a - Thiabendazole top dressing and mineral protein block. |
§ 520.2460a - Ticarbodine tablets. |
§ 520.2520a - Trichlorfon and atropine. |
§ 520.90b - Ampicillin capsules. |
§ 520.100b - Amprolium drench. |
§ 520.300b - Cambendazole pellets. |
§ 520.390b - Chloramphenicol capsules. |
§ 520.540b - Dexamethasone tablets and boluses. |
§ 520.970b - Flunixin meglumine paste. |
§ 520.1010b - Furosemide powder. |
§ 520.1120b - Haloxon boluses. |
§ 520.1130b - Hetacillin potassium oral suspension. |
§ 520.1450b - Morantel tartrate cartridge. |
§ 520.1660b - Oxytetracycline capsules. |
§ 520.1720b - Phenylbutazone granules. |
§ 520.2150b - Stanozolol chewable tablets. |
§ 520.2200b - Sulfachlorpyridazine powder. |
§ 520.2220b - Sulfadimethoxine suspension. |
§ 520.2240b - Sulfaethoxypyridazine tablets. |
§ 520.2260b - Sulfamethazine sustained-release boluses. |
§ 520.2380b - Thiabendazole drench or paste. |
§ 520.2460b - Ticarbodine capsules. |
§ 520.2520b - Trichlorfon boluses. |
§ 520.90c - Ampicillin boluses. |
§ 520.100c - Amprolium crumbles. |
§ 520.300c - Cambendazole paste. |
§ 520.390c - Chloramphenicol palmitate oral suspension. |
§ 520.540c - Dexamethasone chewable tablets. |
§ 520.1010c - Furosemide syrup. |
§ 520.1130c - Hetacillin potassium tablets. |
§ 520.1450c - Morantel tartrate sustained-release trilaminate cylinder/sheet. |
§ 520.1660c - Oxytetracycline tablets. |
§ 520.1720c - Phenylbutazone paste. |
§ 520.2200c - Sulfachlorpyridazine tablets. |
§ 520.2220c - Sulfadimethoxine tablet. |
§ 520.2260c - Sulfamethazine sustained-release tablets. |
§ 520.2380c - Thiabendazole bolus. |
§ 520.2520c - Trichlorfon granules. |
§ 520.90d - Ampicillin for oral suspension. |
§ 520.1660d - Oxytetracycline powder. |
§ 520.1720d - Phenylbutazone gel. |
§ 520.2220d - Sulfadimethoxine bolus. |
§ 520.2380d - Thiabendazole and piperazine citrate. |
§ 520.2520d - Trichlorfon, phenothiazine, and piperazine. |
§ 520.90e - Ampicillin for soluble powder. |
§ 520.1720e - Phenylbutazone powder. |
§ 520.2220e - Sulfadimethoxine extended-release bolus. |
§ 520.2380e - Thiabendazole and piperazine phosphate. |
§ 520.2520e - Trichlorfon boluses. |
§ 520.90f - Ampicillin boluses. |
§ 520.2220f - Sulfadimethoxine and ormetoprim tablet. |
§ 520.2380f - Thiabendazole and triclorfon. |
§ 520.2520f - Trichlorfon granules. |
§ 520.2520g - Trichlorfon, phenothiazine, and piperazine dihydrochloride powder. |
§ 520.2261a - Sulfamethazine solution. |
§ 520.2261b - Sulfamethazine powder. |
§ 520.82a - Aminopropazine. |
§ 520.622a - Diethylcarbamazine citrate tablets. |
§ 520.1242a - Levamisole powder. |
§ 520.1802a - Piperazine-carbon disulfide complex suspension. |
§ 520.82b - Aminopropazine and neomycin. |
§ 520.622b - Diethylcarbamazine citrate syrup. |
§ 520.1242b - Levamisol boluses or oblets. |
§ 520.1802b - Piperazine-carbon disulfide complex boluses. |
§ 520.622c - Diethylcarbamazine citrate chewable tablets. |
§ 520.1242c - Levamisol and piperazine. |
§ 520.1802c - Piperazine-carbon disulfide complex with phenothiazine suspension. |
§ 520.622d - Diethylcarbamazine citrate capsules. |
§ 520.1242d - Levamisole resinate. |
§ 520.1242e - Levamisole hydrochloride effervescent tablets. |
§ 520.1242f - Levamisol gel. |
§ 520.1242g - Levamisole resinate and famphur paste. |
§ 520.763a - Dithiazanine tablets. |
§ 520.903a - Febantel paste. |
§ 520.1263a - Lincomycin tablets and syrup. |
§ 520.2123a - Spectinomycin tablets. |
§ 520.2473a - Tioxidazole granules. |
§ 520.763b - Dithiazanine powder. |
§ 520.903b - Febantel suspension. |
§ 520.1263b - Lincomycin powder. |
§ 520.2123b - Spectinomycin powder. |
§ 520.2473b - Tioxidazole paste. |
§ 520.763c - Dithiazanine iodide and piperazine citrate suspension. |
§ 520.903c - Febantel and praziquantel paste. |
§ 520.1263c - Lincomycin powder. |
§ 520.2123c - Spectinomycin solution. |
§ 520.903d - Febantel tablets. |
§ 520.903e - Febantel tablets. |
§ 520.154a - Bacitracin methylenedisalicylate. |
§ 520.284a - Cambendazole suspension. |
§ 520.1044a - Gentamicin sulfate oral solution. |
§ 520.154b - Bacitracin methylenedisalicylate and streptomycin sulfate powder. |
§ 520.284b - Cambendazole pellets. |
§ 520.1044b - Gentamicin sulfate pig pump oral solution. |
§ 520.154c - Bacitracin zinc soluble powder. |
§ 520.284c - Cambendazole paste. |
§ 520.1044c - Gentamicin sulfate powder. |
§ 520.45a - Albendazole suspension. |
§ 520.445a - Chlortetracycline bisulfate/sulfamethazine bisulfate soluble powder. |
§ 520.905a - Fenbendazole suspension. |
§ 520.2325a - Sulfaquinoxaline powder and solution. |
§ 520.2345a - Tetracycline capsules. |
§ 520.45b - Albendazole paste. |
§ 520.445b - Chlortetracycline powder. |
§ 520.905b - Fenbendazole granules. |
§ 520.2325b - Sulfaquinoxaline drench. |
§ 520.2345b - Tetracycline tablets. |
§ 520.445c - Chlortetracycline tablets and boluses. |
§ 520.905c - Fenbendazole paste. |
§ 520.2345c - Tetracycline boluses. |
§ 520.905d - Fenbendazole powder. |
§ 520.2345d - Tetracycline powder. |
§ 520.905e - Fenbendazole blocks. |
§ 520.2345e - Tetracycline solution. |
§ 520.2345f - Tetracycline phosphate complex and sodium novobiocin capsules. |
§ 520.2345g - Tetracycline hydrochloride and sodium novobiocin tablets. |
§ 520.2345h - Tetracycline hydrochloride, sodium novobiocin, and prednisolone tablets. |
§ 520.1326a - Mebendazole and trichlorfon powder. |
§ 520.1696a - Penicillin G powder. |
§ 520.1326b - Mebendazole and trichlorfon paste. |
§ 520.1696b - Penicillin V powder. |
§ 520.1696c - Penicillin V tablets. |
§ 520.1696d - Penicillin V tablets. |
§ 520.38a - Albendazole suspension. |
§ 520.88a - Amoxicillin trihydrate film-coated tablets. |
§ 520.1448a - Monensin blocks. |
§ 520.2158a - Streptomycin sulfate oral solution. |
§ 520.38b - Albendazole paste. |
§ 520.88b - Amoxicillin trihydrate for oral suspension. |
§ 520.2158b - Dihydrostreptomycin tablets. |
§ 520.88c - Amoxicillin trihydrate oral suspension. |
§ 520.2158c - Dihydrostreptomycin oral suspension. |
§ 520.88d - Amoxicillin trihydrate soluble powder. |
§ 520.88e - Amoxicillin trihydrate boluses. |
§ 520.88f - Amoxicillin trihydrate tablets. |
§ 520.88g - Amoxicillin and clavulanate potassium tablets. |
§ 520.88h - Amoxicillin trihydrate and clavulanate potassium for oral suspension. |