| Mabuterol Hydrochloride |
| Malotilate |
| Maltose* |
| Manidipine Hydrochloride |
| d-Mannitol* |
| Maprotiline Hydrochloride |
| Maxacalcitol |
| Mazaticol Hydrochloride |
| Mazindol |
| Mebendazole |
| Meclizine Hydrochloride |
| Meclofenoxate Hydrochloride* |
| Medazepam* |
| Medroxyprogesterone Acetate |
| Mefenamic Acid* |
| Mefruside* |
| Melinamide |
| Meloxicam |
| Melphalan* |
| Menatetrenone |
| Mepenzolate Bromide* |
| Mepitiostane* |
| Mepivacaine Hydrochloride* |
| Mequitazine |
| 6-Mercaptopurine Riboside |
| Mercaptopurine* |
| Meropenem Trihydrate |
| Mesalazine |
| Mesna |
| Mestanolone |
| Mestranol* |
| Metaraminol Bitartrate |
| Metenolone Acetate* |
| Metenolone Enanthate* |
| Metformin Hydrochloride |
| Methamphetamine Hydrochloride* |
| Metharbital |
| Methazolamide |
| l-Methionine* |
| Methocarbamol |
| Methotrexate* |
| Methoxamine Hydrochloride |
| Methoxsalen* |
| Methoxyphenamine Hydrochloride |
| Methyclothiazide |
| Methyl Salicylate* |
| Methylbenactyzium Bromide* |
| l-Methylcysteine Hydrochloride |
| Methyldopa* |
| dl-Methylephedrine Saccharinate |
| dl-Methylephedrine hydrochloride* |
| Methylergometrine Maleate* |
| Methyloctatropine Bromide |
| Methylphenidate Hydrochloride |
| Methylprednisolone Acetate |
| Methylprednisolone Sodium Succinate |
| Methylprednisolone* |
| Methylrosanilinium Chloride* |
| n-Methylscopolamine Methylsulfate |
| Methyltestosterone* |
| Metiazinic Acid |
| Meticrane |
| Metildigoxin* |
| Metixene Hydrochloride |
| Metoclopramide* |
| Metolazone |
| Metoprolol Tartrate |
| Metronidazole* |
| Metyrapone* |
| Mexazolam |
| Mexiletine Hydrochloride* |
| Mianserin Hydrochloride |
| Miconazole Nitrate* |
| Miconazole* |
| Micronomicin Sulfate* |
| Midazolam |
| Midecamycin Acetate* |
| Midecamycin* |
| Midodrine Hydrochloride |
| Milrinone |
| Minocycline Hydrochloride* |
| Misoprostol |
| Mitobronitol |
| Mitomycin C* |
| Mitotane |
| Mitoxantrone Hydrochloride |
| Mizoribine |
| Mofezolac |
| Mometasone Furoate |
| Monoethanolamine |
| Monosodium L-Glutamate Monohydrate |
| Moperone Hydrochloride |
| Morphine Hydrochloride* |
| Morphine Sulfate |
| Mosapramine Hydrochloride |
| Moxisylyte Hydrochloride* |
| Mupirocin Calcium Hydrate |
| Mycophenolate Mofetil |