Macrobid (Nitrofurantoin/Nitrofurantoin Macrocrystal)

Macrodantin (Nitrofurantoin Macrocrystal)

Macugen

Magnesium Sulfate Injection (Magnesium Sulfate)

Magnevist (Gadopentetate Dimeglumine)

Makena (HYDROXYPROGESTERONE CAPROATE)

Malacetic

Malarone (Atovaquone/Proguanil)

Mandelamine (Methenamine Mandelate)

Manerix (Moclobemide)

Maprotiline (Maprotiline)

Marin for Cats (Vitamin E/Silybin A & B)

Marin for Dogs (Vitamin E/Silybin A & B/Zinc)

Marplan (Isocarboxazid)

Marquis Paste (Ponazuril)

Matulane (Procarbazine Hydrochloride)

Mavik (Trandolapril)

Maxair (Pirbuterol)

Maxair Autohaler

Maxalt (Rizatriptan)

Maxalt MLT (Rizatriptan)

Maxaquin

Maxidex Eye Drops (Dexamethasone)

Maxidex Ointment (Dexamethasone)

Maxipime (Cefepime)

Maxitrol Eye Ointment (Dexamethasone/Neomycin/Polymixin B)

Maxitrol Eye Suspension (Dexamethasone/Neomycin/Polymixin B)

Maxzide (Triamterene/HCTZ)

Medipore Island Dressing with Pad

Medrol (Methylprednisolone)

Megace (Megestrol Acetate)

Menopur (Menotropin or Menotrophin)

Menostar (Estradiol)

Mentax (Butenafine)

Mephyton

Mepron (Atovaquone)

Merrem (Meropenem)

Mesasal (mesalamine)

Mesnex (Mesna)

Mestinon (Pyridostigmine)

Mestinon SR (Pyridostigmine)

Metacam (Meloxicam)

Metaglip (Glipizide/Metformin)

Metanx (Metanx)

Methotrexate (Methotrexate)

Methotrimeprazine (Methotrimeprazine)

Methscopolamine (Methscopolamine Bromide)

Methylin (Methylphenidate)

Metoclopramide Injection (Metoclopramide)

Metrocream (Metronidazole)

Metrogel (Metronidazole)

Metrolotion (Metronidazole)

Metsol Solution (Metformin)

Mevacor (Lovastatin)

Mexitil (Mexiletine)

Miacalcin NS (Calcitonin)

Micardis (Telmisartan)

Micardis HCT (Telmisartan/HCTZ)

Miconazole Polymyxin Prednisolone (Miconazole/Polymyxin/Prednisolone)

Micro K (Potassium Chloride ER)

Microgestin

Micronor (Norethindrone)

Midamor (Amiloride)

Midrin

Migranal (Dihydroergotamine)

Milbemax (milbemycin oxime/praziquantel)

Milex Arc Style Diaphragm (Diaphragm)

Milex Omniflex Diaphragm (Diaphragm)

Milrinone (Milrinone)

Mimyx

Minipress (Prazosin)

Minitran (Nitroglycerin Transdermal)

Minocin (Minocycline HCl)

Mirapex (Pramipexole)

Mirapex ER (Pramipexole ER)

Mirena (Levonorgestrel)

Missing Link (Skin & Coat Conditioner)

Mitaban Liquid (Amitraz)

Mitomycin (Mitomycin)

Mobic (Meloxicam)

Mobiflex (Tenoxicam)

Modicon (Norethindrone/Ethinyl Estradiol)

Moducare (Immune Care)

Modulon (Trimebutine Maleate)

Moduret (Amiloride/HCTZ)

Mometamax (Gentamicin/Mometasone/Clotrimazole)

Monopril (Fosinopril)

Monopril HCT (Fosinopril/HCTZ)

Monovisc (Sodium Hyaluronate)

Motilium (Domperidone)

Motilium Suspension (Domperidone)

Motrin (Ibuprofen)

Moxeza (MOXIFLOXACIN HYDROCHLORIDE)

Mucomyst

Multaq (Dronedarone)

Multiload Copper IUD (Copper IUD 375)

Multistix 10 Reagent Strips (reagent strips)

Multistix 8 Reagent Strips (reagent strips)

Multistix Reagent Strips (reagent strips)

Muro 128 (Sodium Chloride)

Muse (Alprostadil)

Myambutol (Ethambutol)

Mycamine (Micafungin Sodium)

Mycobutin (Rifabutin)

Mydfrin (Phenylephrine)

Mydriacyl eyedrops (Tropicamide)

Myfortic (Mycophenolic Acid)

Myleran (Busulfan)

Myochrysine (Gold Sodium Thiomalate)

Mysoline (Primidone)