| Trade name |
Active ingredients |
Pharmaceutical company |
|
Ophthazin | Dihydralazine | Unidentified Pharmaceutical Company |
| Ophthel-S | Sulfacetamide | Unidentified Pharmaceutical Company |
| Ophthoclor | Chloramphenicol | Unidentified Pharmaceutical Company |
| Ophtho-Dipivefrin | Dipivefrin | Unidentified Pharmaceutical Company |
| Ophtochlor | Chloramphenicol | Unidentified Pharmaceutical Company |
| Opianine | Noscapine | Unidentified Pharmaceutical Company |
| Opiate Squill Lintus | Camphorated Opium Tincture; Squill Oxymel | Unidentified Pharmaceutical Company |
| Opinsul | Sulfamethoxypyridazine | Unidentified Pharmaceutical Company |
| Oplossingen | Formaldehyde | Unidentified Pharmaceutical Company |
| Oposim | Propranolol | Unidentified Pharmaceutical Company |