Pantoprazole
Ondansetron
Oxybutynin
Omeprazole
Olmesartan
Omega-3
Oxcarbazepine
Oxycodone
Oseltamivir
Olanzapine
Olopatadine
Prilosec
Patanol, Pataday
Zyprexa
Benicar
Trileptal
Protonix
Zofran
OxyContin
Ditropan
Tamiflu
Lovaza
