| Obeticholic Acid price in Saudi Arabia | 2 | SAR 9,838 | — | Compare |
| Obinutuzumab price in Saudi Arabia | 1 | SAR 14,663 | — | Compare |
| Ocrelizumab price in Saudi Arabia | 2 | SAR 20,981 | — | Compare |
| Octreotide price in Saudi Arabia | 9 | SAR 133 | — | Compare |
| Odevixibat price in Saudi Arabia | 4 | SAR 15,769 | — | Compare |
| Ofatumumab price in Saudi Arabia | 1 | SAR 4,345 | — | Compare |
| Ofloxacin price in Saudi Arabia | 5 | SAR 12.80 | — | Compare |
| Ofloxacin and Prednisolone and Tetrahydrozoline price in Saudi Arabia | 1 | SAR 18.10 | — | — |
| Olanzapine price in Saudi Arabia | 32 | SAR 53.95 | — | Compare |
| Olaparib price in Saudi Arabia | 4 | SAR 3,914 | — | Compare |
| Olipudase Alfa price in Saudi Arabia | 1 | SAR 17,897 | — | Compare |
| Olmesartan price in Saudi Arabia | 19 | SAR 19.35 | — | Compare |
| Olodaterol and Tiotropium price in Saudi Arabia | 2 | SAR 179 | — | Compare |
| Olopatadine price in Saudi Arabia | 7 | SAR 15.40 | — | Compare |
| Omalizumab price in Saudi Arabia | 7 | SAR 898 | — | Compare |
| Omaveloxolone price in Saudi Arabia | 1 | SAR 127,050 | — | Compare |
| Omega-3-Acid Ethyl Esters price in Saudi Arabia | 3 | SAR 48.95 | — | — |
| Omega-3 Polyunsaturated Fatty Acids price in Saudi Arabia | 1 | SAR 104 | — | — |
| Omeprazole price in Saudi Arabia | 36 | SAR 22.40 | — | Compare |
| Omeprazole and Sodium Bicarbonate price in Saudi Arabia | 14 | SAR 30.00 | — | Compare |
| Omfiloctocog Alfa price in Saudi Arabia | 3 | SAR 428 | — | — |
| Onasemnogene Abeparvovec price in Saudi Arabia | 1 | SAR 7,984,676 | — | Compare |
| Ondansetron price in Saudi Arabia | 48 | SAR 22.45 | — | Compare |
| Oral Rehydration Salts price in Saudi Arabia | 1 | SAR 7.00 | — | — |
| Orforglipron price in Saudi Arabia | 6 | SAR 517 | — | Compare |
| Oritavancin price in Saudi Arabia | 1 | SAR 7,345 | — | — |
| Orlistat price in Saudi Arabia | 3 | SAR 57.70 | — | Compare |
| Ornidazole price in Saudi Arabia | 1 | SAR 54.55 | — | — |
| Ornithine price in Saudi Arabia | 2 | SAR 32.80 | — | Compare |
| Orphenadrine and Paracetamol price in Saudi Arabia | 1 | SAR 6.60 | — | Compare |
| Orphenandrine and Paracetamol price in Saudi Arabia | 1 | SAR 16.50 | — | — |
| Oseltamivir price in Saudi Arabia | 7 | SAR 15.60 | — | Compare |
| Osilodrostat price in Saudi Arabia | 3 | SAR 7,125 | — | Compare |
| Osimertinib price in Saudi Arabia | 2 | SAR 28,410 | — | Compare |
| Otilonium price in Saudi Arabia | 1 | SAR 19.65 | — | Compare |
| Oxaliplatin price in Saudi Arabia | 16 | SAR 115 | — | Compare |
| Oxcarbazepine price in Saudi Arabia | 6 | SAR 31.40 | — | Compare |
| Oxomemazine price in Saudi Arabia | 1 | SAR 26.25 | — | Compare |
| Oxybuprocaine price in Saudi Arabia | 1 | SAR 60.05 | — | Compare |
| Oxybutynin price in Saudi Arabia | 1 | SAR 995 | — | Compare |
| Oxycodone price in Saudi Arabia | 10 | SAR 70.70 | — | Compare |
| Oxymetazoline price in Saudi Arabia | 5 | SAR 3.60 | — | Compare |
| Oxytocin price in Saudi Arabia | 8 | SAR 9.90 | — | Compare |
| Ozanimod price in Saudi Arabia | 4 | SAR 780 | — | Compare |
| Ozenoxacin price in Saudi Arabia | 1 | SAR 62.70 | — | Compare |