Brand Name Chemical Name Oesclim Estradiol Ofloxacin Ofloxacin Olanzapine Olanzapine Olopatadine Olopatadine Olux Clobetasol Ombrelle Mexoryl Sx/Parsol Omnaris Ciclesonide One Alpha Alfacalcidol One Touch Ultra Test Products Onglyza Saxagliptin Opticrom Cromolyn Optimmune Cyclosporine Optimyxin Polymyxin B Sulfate/Gramicidin/Neomycin Sulfate Optivar Azelastine Orap Pimozide Brand Name Chemical Name Orgalutran Injection Ganirelix Ortho Norethindrone/Ethinyl Estradiol Ortho 777 Norethindrone/Ethinyl Estradiol Ortho Cept Desogestrel/Ethinyl Estradiol Ortho Cyclen Norgestimate/Ethinyl Estradiol Ortho Diaphragm Diaphragm Ortho Evra Norelgestromin/Ethinyl Estradiol Ortho Tri-Cyclen Norgestimate/Ethinyl Estradiol Orthovisc Hyaluronate Otrivin Xylometazoline Ovestin Estriol Ovide Malathion Ovral Norgestrel/Ethinyl Estradiol Oxytrol Oxybutynin Ozonol Phenol/Zinc Oxide