| Oxymetazoline Hydrochloride 0.05% solution | 2 NDC codes |
| Oxymetazoline hydrochloride, Acetaminophen and Guaifenesin | 2 NDC codes |
| Oxymetazoline Hydrochloride Crystalline | 1 NDC codes |
| Oxymetazoline hydrochloride ophthalmic | 1 NDC codes |
| Oxymetazoline Spray | 7 NDC codes |
| Oxymethazoline HCL | 4 NDC codes |
| Oxymetholone | 3 NDC codes |
| OXYMETHOLONE | 3 NDC codes |
| Oxymorphone HCl | 1 NDC codes |
| oxymorphone hydrochloride | 2 NDC codes |
| Oxymorphone hydrochloride | 14 NDC codes |
| Oxymorphone Hydrochloride | 8 NDC codes |
| OXYMORPHONE HYDROCHLORIDE | 12 NDC codes |
| OXYQUINOLINE SULFATE | 1 NDC codes |
| Oxyquinoline Sulfate and Sodium Lauryl Sulfate | 1 NDC codes |
| Oxyquinoline Sulphate | 1 NDC codes |
| Oxytetracycline | 4 NDC codes |
| OXYTETRACYCLINE | 3 NDC codes |
| Oxytetracycline Dihydrate | 1 NDC codes |
| OXYTETRACYCLINE DIHYDRATE | 2 NDC codes |
| OXYTETRACYCLINE HCL | 1 NDC codes |
| Oxytetracycline Hydrochloride | 1 NDC codes |
| OXYTETRACYCLINE HYDROCHLORIDE | 3 NDC codes |
| OXYTETRACYCLINE HYDROCHLORIDE MICRONIZED | 1 NDC codes |
| oxytocin | 6 NDC codes |
| Oxytocin | 29 NDC codes |
| OXYTOCIN | 7 NDC codes |
| Oxytocin Acetate | 2 NDC codes |
| oyster shell | 1 NDC codes |
| OYSTER SHELL CALCIUM CARBONATE, CAPSICUM, IRON, FUCUS VESICULOSUS, GRAPHITE, STRYCHNOS IGNATII SEED, and LYCOPODIUM CLAVATUM SPORE | 1 NDC codes |
| OYSTER SHELL CALCIUM CARBONATE, CRUDE | 13 NDC codes |
| OYSTER SHELL CALCIUM CARBONATE, CRUDE, CALCIUM FLUORIDE, CALCIUM HYPOPHOSPHITE, TRIBASIC CALCIUM PHOSPHATE, Hekla lava, DAPHNE MEZEREUM BARK, MERCURIC OXIDE, SILICON DIOXIDE, and MATRICARIA CHAMOMILLA | 1 NDC codes |
| oyster shell calcium carbonate, crude, causticum, matricaria recutita, cinchona officinalis bark, copper, lycopodium clavatum spore, magnesium phosphate, dibasic trihydrate, toxicodendron pubescens leaf, silicon dioxide, and sulfur | 3 NDC codes |
| Oyster Shell Calcium Carbonate Crude, Chenopodium Ambrosioides, Anamirta Cocculus Seed, Conium Maculatum Flowering Top, Strychnos Nux-Vomica Seed, Phosphorus, Pulsatilla Vulgaris, Silicon Dioxide | 1 NDC codes |
| OYSTER SHELL CALCIUM CARBONATE, CRUDE, GOLDENSEAL, POTASSIUM DICHROMATE, and PULSATILLA VULGARIS | 1 NDC codes |
| OYSTER SHELL CALCIUM CARBONATE, CRUDE, GOLDENSEAL, POTASSIUM DICHROMATE, PULSATILLA PRATENSIS WHOLE | 1 NDC codes |
| OYSTER SHELL CALCIUM CARBONATE, CRUDE, SEPIA OFFICINALIS JUICE, SILICON DIOXIDE, NITRIC ACID, and SUS SCROFA PINEAL GLAND | 1 NDC codes |
| oyster shell calcium carbonate, crude, strychnos ignatii seed, sepia officinalis juice, bos taurus adrenal gland, and prunus spinosa flower bud | 1 NDC codes |
| oyster shell calcium carbonate, crude, tribasic calcium phosphate, arabica coffee bean, arnica montana, ferrum phosphoricum and matricaria chamomilla | 1 NDC codes |
| OYSTER SHELL CALCIUM CARBONATE, CRUDE, TRIBASIC CALCIUM PHOSPHATE, CALCIUM FLUORIDE, WOOD CREOSOTE, and THUJA OCCIDENTALIS LEAFY TWIG | 1 NDC codes |
| Ozanimod | 1 NDC codes |
| OZANIMOD HCL | 1 NDC codes |
| ozanimod hydrochloride | 9 NDC codes |
| Ozanimod hydrochloride | 1 NDC codes |
| Ozanimod Hydrochloride | 3 NDC codes |
| OZANIMOD HYDROCHLORIDE | 2 NDC codes |
| Ozenoxacin | 2 NDC codes |
| OZENOXACIN | 1 NDC codes |
| Ozonated Plant Oil | 1 NDC codes |