- MOCLOBEMIDE
- MSM
- Macrobid
- Maglucate
- Magnesium Citrate
- Magnesium Sulfate Injection
- Magnolax Liquid
- Magnolax Liquid Vanilla
- Malarone
- Malarone Pediatric
- Mandelamine
- Manerix
- Marvelon
- Materna Prenatal
- Matulane
- Mavenclad
- Mavik
- Maviret
- Maxalt
- Maxalt RPD
- Maxalt-MLT
- Maxidex Ophthalmic Ointment
- Maxidex Ophthalmic Suspension
- Maxidex Suspension
- Maxilene Cream
- Maxitrol Eye Drops
- Maxitrol Eye Ointment
- Mayzent FCT
- Mebendazole Chew
- Medrol
- Mefenamic
- Mefenamic Acid
- Mefloquine
- Megace
- Megace Oral Suspension
- Megestrol
- Mekinist
- Mektovi
- Meloxicam
- Memantine
- Menopur
- Mepron
- Mercaptopurine
- Merional
- Meropenem
- Merrem
- Mesacol
- Mesalamine
- Mesalamine 4g/60mL
- Mesalamine DR
- Mestinon
- Mestinon SR
- Mestinon Syrup
- Metacam Oral Suspension
- Metamucil Capsules
- Metamucil Plus Calcium Capsules
- Metaproterenol Sulfate (Orciprenaline Sulfate)
- Metaslim CLA
- Metaxalone MR
- Metformin
- Metformin Hydrochloride ER
- Metformin XR
- Methazolamide
- Methenamine Hippurate
- Methenamine Mandelate
- Methimazole
- Methocarbamol
- Methotrexate
- Methotrexate Sodium
- Methotrimeprazine
- Methoxsalen
- Methscopolamine Bromide
- Methyldopa
- Methylprednisolone
- Metocard XL
- Metoclopramide Hydrochloride
- Metoject Prefilled Syr
- Metolazone
- Metoprolol
- Metoprolol (L-type)
- Metoprolol Tartrate
- MetroGel
- Metrogel
- Metronidazole
- Metronidazole Gel
- Metronidazole Gel 0.75%
- Mexiletine
- Mezavant
- Micardis (Telmisartan)
- Micardis HCT
- Micro-K Extencaps
- Microgestin 21
- Microgestin Fe
- Micronor
- Midamor
- Midodrine
- Midodrine Hydrochloride
- Miglitol
- Mignar
- Migranal Nasal Spray
- Migril
- Milbemax
- Milnacipran
- Minard's Liniment
- Minitran
- Minocycline
- Minoxidil
- Minoxidil Foam for Men
- Mirabegron
- Mirapex
- Mirena IUS
- Mirtazapine
- Mirtazapine OD
- Mirvaso
- Mobicox
- Moclobemide
- Modicon
- Moduretic
- Moi-Stir Dry Mouth Therapy Spray
- Mometasone
- Mometasone Cream
- Mometasone Lotion
- Monistat 1 Day
- Monistat 7 Combination Pack (7 Day)
- Monistat 7 Day Dual-Pak
- Monopril HCT
- Monovisc
- Montelukast
- Montelukast Chewable
- Montelukast Granules
- Montelukast Sodium
- Monurol
- Monurol Sachet
- Motegrity
- Motrin
- Mounjaro
- Movantik
- Moviprep
- Moxifloxacin Hydrochloride
- Moxonidine
- Mozobil
- Mucillium Laxative Powder
- Mucinex
- Mucodyne
- Multaq
- Multistix 10SG Reagent Strips
- Multistix Reagent Strips - Regular
- Multivitamins/Minerals
- Mupirocin Ointment
- Murine Ear Wax Removal System
- Murine Tears Eye Drops
- Muro 128
- Myambutol
- Mycobutin
- Mydfrin Ophthalmic Solution
- Mydriacyl
- Myleran
- Myoflex
- Myoflex Cream Maximum Strength Pain Rub
- Myrbetriq
- Mysoline