- OXISTAT LOT 1% (30ML)
- Ocufen eye drops
- Ocuflox eye drops
- Ofloxacin
- Ogestrel
- Olanzapine
- Olmesartan
- Olmesartan/Hydrochlorothiazide
- Olmetec (know as Benicar in US)
- Olmetec (know as Benicar in the US)
- Olmetec Plus (known as Benicar HCT in the US)
- Olux Aerosol foam
- Omega-3 Fish Oil
- Omeprazole
- Omeprazole EC
- Omnaris Nasal Spray
- Omnicef
- Ondansetron
- One Touch Ultra Test Strips
- Onglyza
- Optivar
- Oracea
- Orap
- Orlistat
- Orphenadrine ER
- Ortho 1/35
- Ortho Cyclen 21
- Ortho Cyclen 28
- Ortho Tri-Cyclen Lo 21
- Ortho Tri-Cyclen Lo 28
- Ortho Tri-cyclen 21
- Ortho Tri-cyclen 28
- Ortho-Cept 21
- Ortho-Cept 28
- Ortho-Gynest cream
- Ortho-Novum
- Ortho-Novum 1/35
- Ortho-Novum 7/7/7 28
- OsmoPrep
- Ostac
- Osto-D2 Vit D2
- Ovace Liquid Wash
- Ovcon 50
- Ovestin Cream
- Ovral 28
- Oxaliplatin
- Oxandrin
- Oxandrolone
- Oxaprozin
- Oxazepam
- Oxcarbazepine
- Oxistat Cream
- Oxsoralen (Hard capsule)
- Oxsoralen Lotion
- Oxybutynin
- Oxybutynin XL
- Oxytrol
- Oxytrol patches
- Omega 8060 - Omega-3 & Essential Fatty Acids (EFA)
- One Touch Ultra test strips
- One touch test strips
- Opticrom
- Orphenadrine
- Ortho-Evra
- Otrivin nasal spray
- Ovol Drops
- Ovol Ultra Strength Softgels
- Ozonol ointment
