- Maxalt
- Mebendazole
- Medrol
- Medroxyprogesterone
- Mefenamic Acid
- Mefloquine
- Meloxicam
- Mentax
- Mercaptopurine
- Mestinon
- Metaxalone
- Metformin
- Methotrexate
- Methylphenidate
- Methylprednisolone
- Metoclopramide
- Metoclopramide
- Metoprolol
- Metronidazole extended release
- Mevacor
- Mexiletine
- Mexitil
- Micardis
- Micronase
- Midamor
- Miglitol
- Mirtazapine
- Mobic
- Mometasone nasal
- Montelukast
- Motrin
- Moxifloxacin
- Mupirocin
