M-Clear WC (Generic Codeine)
M-End PE (Generic Codeine)
Maalox Anti-Diarrheal (Generic Loperamide)
Macitentan
Macrobid (Generic Nitrofurantoin)
Macrodantin (Generic Nitrofurantoin)
Macugen (Generic Pegaptanib Injection)
Magalox Plus (Generic Simethicone)