| Select | Common Name | Trade Name | Generic Name | Strength | UOM | Dosage | Education |
| Select | Ocufen | Ocufen | Flurbiprofen Sodium | 0.03 | % | SOLN | View |
| Select | Oforta | Oforta | Fludarabine Phosphate | 10 | MG | TABS | View |
| Select | Ogen 0.625 | Ortho-Est 0.625 | Estropipate | 0.75 | MG | TABS | View |
| Select | Ogen 1.25 | Ortho-Est 1.25 | Estropipate | 1.5 | MG | TABS | View |
| Select | Ogen 2.5 | Ogen 2.5 | Estropipate | 3 | MG | TABS | View |
| Select | Olux | Olux | Clobetasol Propionate | 0.05 | % | FOAM | View |
| Select | Olux Olux-E Complete Pack | Olux Olux-E Complete Pack | Clobetasol & Clobetasol Emul | 0.05 & 0.05 | % | MISC | View |
| Select | Olux-E | Olux-E | Clobetasol Propionate Emulsion | 0.05 | % | FOAM | View |
| Select | Omeprazole | PriLOSEC | Omeprazole | 10 | MG | CPDR | View |
| Select | Omeprazole | PriLOSEC | Omeprazole | 20 | MG | CPDR | View |
| Select | Omeprazole | PriLOSEC | Omeprazole | 40 | MG | CPDR | View |
| Select | Omnicef | Omni-Pac | Cefdinir | 300 | MG | CAPS | View |
| Select | Oncaspar | Oncaspar | Pegaspargase | 750 | UNIT/ML | SOLN | View |
| Select | Ondansetron | Zofran ODT | Ondansetron | 4 | MG | TBDP | View |
| Select | Ondansetron | Zofran ODT | Ondansetron | 8 | MG | TBDP | View |
| Select | Ondansetron HCl | Zofran | Ondansetron HCl | 4 | MG | TABS | View |
| Select | Ondansetron HCl | Zofran | Ondansetron HCl | 8 | MG | TABS | View |
| Select | Onglyza | Onglyza | Saxagliptin HCl | 2.5 | MG | TABS | View |
| Select | Onglyza | Onglyza | Saxagliptin HCl | 5 | MG | TABS | View |
| Select | Ontak | Ontak | Denileukin Diftitox | 150 | MCG/ML | SOLN | View |
| Select | Onxol | Onxol | Paclitaxel | 300 | MG/50ML | CONC | View |
| Select | Onxol | Onxol | Paclitaxel | 30 | MG/5ML | CONC | View |
| Select | Onxol | Onxol | Paclitaxel | 150 | MG/25ML | CONC | View |
| Select | Opana | Opana | Oxymorphone HCl | 10 | MG | TABS | View |
| Select | Opana | Opana | Oxymorphone HCl | 5 | MG | TABS | View |
| Select | Opana ER | Opana ER | Oxymorphone HCl | 5 | MG | TB12 | View |
| Select | Opana ER | Opana ER | Oxymorphone HCl | 40 | MG | TB12 | View |
| Select | Opana ER | Opana ER | Oxymorphone HCl | 10 | MG | TB12 | View |
| Select | Opana ER | Opana ER | Oxymorphone HCl | 20 | MG | TB12 | View |
| Select | Opana ER | Opana ER | Oxymorphone HCl | 7.5 | MG | TB12 | View |
| Select | Opana ER | Opana ER | Oxymorphone HCl | 15 | MG | TB12 | View |
| Select | Opium | | Opium | 10 MG/ML | (1%) | TINC | View |
| Select | Optimental | PKU Lophlex LQ 20 | Nutritional Supplements | | | LIQD | View |
| Select | Optipranolol | Optipranolol | Metipranolol | 0.3 | % | SOLN | View |
| Select | Optium Blood Glucose Monitor | Rightest GM550 Blood Glucose | Blood Glucose Meter | w/Device | | KIT | View |
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