Methocarbamol 854 Methotrexate 856 Methylene Blue 859 Methylphenidate 861 Methylprednisolone 863 Metoclopramide 867 Metoprolol 870 Metronidazole 873 Metyrapone 877 Mexiletine 878 Midazolam 880 Milbemycin Oxime 885 Miltefosine 887 Mineral Oil 889 Minocycline 890 Mirtazapine 893 Misoprostol 896 Mitotane 899 Mitoxantrone 902 Molybdates 904 Montelukast 905 Morantel 906 Morphine 907 Moxidectin / Moxidectin Combination Products 912 Mycobacterial Cell Wall Fraction Immunomodulator 918 Mycophenolate 920 Nalbuphine 923 Naloxone 924 Naltrexone 926 Neomycin 928 Neostigmine 930 Niacinamide 932 Nitazoxanide 933 Nitenpyram 935 Nitrofurantoin 936 Nitroglycerin, Transdermal 938 Nitroprusside 939 Nizatidine 941 Norepinephrine 943 Novobiocin 945 Nystatin 946 Oclacitinib 947 Octreotide 950 Olsalazine 952 Omeprazole 953 Ondansetron 956 Orbifloxacin 958
Osaterone 960 Oseltamivir 961 Oxacillin 963 Oxazepam 964 Oxfendazole 966 Oxibendazole 967 Oxybutynin 968 Oxymorphone 969 Oxytetracycline 972 Oxytocin 977 Pamidronate 980 Pancrelipase 981 Pantoprazole 983 Parapox Ovis Virus Immunomodulator 985 Paromomycin 986 Paroxetine 988 Penicillamine 990 Penicillin G 992 Penicillin V 996 Pentobarbital 998 Pentosan Polysulfate( PPS) 1000 Pentoxifylline 1002 Pergolide 1004 Phenobarbital 1006 Phenoxybenzamine 1011 Phenylbutazone 1013 Phenylephrine 1015 Phenylpropanolamine 1017 Pheromones 1019 Phosphate( Potassium-, Sodium), IV 1021 Physostigmine 1022 Phytonadione 1024 Pimobendan 1026 Piperacillin / Tazobactam 1029 Piperazine 1031 Pirlimycin 1032 Piroxicam 1033 Polyethylene Glycol 3350( PEG 3350) 1035 Polymyxin B, Systemic 1037 Polysulfated Glycosaminoglycan 1039 Ponazuril 1041 Posaconazole 1043 Potassium(-Acetate,-Chloride,-Gluconate) 1045 Pradofloxacin 1048 Pralidoxime( 2-PAM) 1051 Praziquantel / Praziquantel Combination Products 1053 Prazosin 1057