| 421 | Omnivit | Carbonyl Iron + Folic Acid + Zinc Sulfate + Vitamin B Complex + Vitamin C | Beximco Pharmaceuticals Ltd. | Capsule | – | ৳ 3.50per unit |
| 422 | O-Morphon | Oxymorphone Hydrochloride | Ziska Pharmaceuticals Ltd. | Tablet | 10 mg | ৳ 20.00per unit |
| 423 | O-Morphon | Oxymorphone Hydrochloride | Ziska Pharmaceuticals Ltd. | Injection | 1 mg/ml | Not listed |
| 424 | Ompa | Omeprazole | Seema Pharmaceuticals Ltd. | Capsule (Enteric Coated) | 20 mg | ৳ 5.00per unit |
| 425 | Omrazol | Omeprazole | Ad-din Pharmaceuticals Ltd. | Capsule (Enteric Coated) | 20 mg | ৳ 5.50per unit |
| 426 | Omrazol | Omeprazole | Ad-din Pharmaceuticals Ltd. | Capsule (Enteric Coated) | 40 mg | ৳ 8.00per unit |
| 427 | Omron (BP-A2 Classic) | BP monitoring device | Omron Healthcare Bangladesh Ltd. | BP Monitor Device | Digital blood pressure monitor | Not listed |
| 428 | Omron (HEM-7120) | BP monitoring device | Omron Healthcare Bangladesh Ltd. | BP Monitor Device | Digital blood pressure monitor | Not listed |
| 429 | Omron (HEM-7121) | BP monitoring device | Omron Healthcare Bangladesh Ltd. | BP Monitor Device | Digital blood pressure monitor | Not listed |
| 430 | Omron (HEM-7121-J) | BP monitoring device | Omron Healthcare Bangladesh Ltd. | BP Monitor Device | Digital blood pressure monitor | Not listed |
| 431 | Omron (HEM-7140-T1) | BP monitoring device | Omron Healthcare Bangladesh Ltd. | BP Monitor Device | Digital blood pressure monitor | Not listed |
| 432 | Omron (HEM-7142T2) | BP monitoring device | Omron Healthcare Bangladesh Ltd. | BP Monitor Device | Digital blood pressure monitor | Not listed |
| 433 | Omron (HEM 7156 T) | BP monitoring device | Omron Healthcare Bangladesh Ltd. | BP Monitor Device | Digital blood pressure monitor | Not listed |
| 434 | Omron (JPN 600) | BP monitoring device | Omron Healthcare Bangladesh Ltd. | BP Monitor Device | Digital blood pressure monitor | Not listed |
| 435 | Omron (JPN 750) | BP monitoring device | Omron Healthcare Bangladesh Ltd. | BP Monitor Device | Digital blood pressure monitor | Not listed |
| 436 | Omsec | Omeprazole | Techno Drugs Ltd. | Capsule (Enteric Coated) | 20 mg | ৳ 5.00per unit |
| 437 | Omsec | Omeprazole | Techno Drugs Ltd. | Capsule (Enteric Coated) | 40 mg | ৳ 7.00per unit |
| 438 | Omsec | Omeprazole | Techno Drugs Ltd. | IV Injection | 40 mg/vial | Not listed |
| 439 | Onamis | Ondansetron | Apex Pharma Ltd. | Tablet | 8 mg | ৳ 11.00per unit |
| 440 | Onaseron | Ondansetron | Incepta Pharmaceuticals Ltd. | Oral Solution | 4 mg/5 ml | Not listed |