| Magnesium Hydroxide |
| Magnesium Sulfate |
| Mannitol |
| Maprotiline |
| Masumint & Menthazin |
| Measles Immune Globulin |
| Measles Vaccine |
| Measles, Mumps & Rubella Vaccine (MMR) |
| Mebendazole
Mebeverine |
| Medroxyprogesterone |
| Mefenamic Acid |
| Megestrol |
| Meglumine Antimonate |
| Meglumine Compound |
| Mellisan |
| Melphalan |
| Meningococcal (A+C) Vaccine |
| Menotropins(HMG) |
| Mentha |
| Menthol Salicylate |
| Mepivacaine |
| Mercaptopurine |
| Mesalazine 1
Mesalazine (Salofalk)
|
| Mesna |
| Metaproterenol |
| Metaproterenol |
| Metformine |
| Methadone |
| Methimazole |
| Methocarbamole |
| Methotrexate 1
Methotrexate 2
|
| Methoxsalen |
| Methyl Salicylate |
| Methyldopa |
| Methylergonovine |
| Methylprednisolone |
| Methyltestosterone |
| Metoclopramide
Metoprolol |
| Metrizamide |
| Metronidazole |
| Metyrapone |
| Miconazole |
| Midazolam |
| Mineral Oil |
| Minoxidil |
| Minoxilid Topical |
| Mintagel
Misoprostol |
| Mitomycin |
| Mitotane |
| Mitoxantrone |
| Morphine |
| Multivitamin |
| Multivitamin Plus Iron |
| Multivitamin Plus Mineral |
| Multivitamin Therapeutic |
| Mumps Virus Vaccine |
| Mupirocin |
| Musyllium |
| Myrtoplex |
