- Opibion Brand
- Opicef/Opicef Forte Brand
- Opicillin Brand
- Opiclam Brand
- Opicort Brand
- Opidiar Brand
- Opigran Brand
- Opilax Brand
- Opimer Brand
- Opimox/Opimox Forte Brand
- Opino Brand
- Opipentin Brand
- Opiphen Brand
- Opipramol Generic
- Opiprol Brand
- Opivask Brand
- Opizolam Brand
- Opm Brand
- Opox Brand
- Opram Brand
- Oprelvekin Generic
- Oprezol Brand
- Opsite Post Op Brand
- Opsumit Brand
- Optalent Eye Drops Brand
- Optalvit Brand
- Optalvit Plus Brand
- Optha-LL Brand
- Opthil Brand
- Optibet Brand
- Optihealth Plus Brand
- Optilets-M-500 Brand
- Optimax Brand
- Optimax For G Brand
- Optimax Plus Brand
- Optimuno Brand
- Opus Brand