Oral-B® (Generic Fluoride) Oral Defense® (Generic Fluoride) Ora-Line® (Generic Fluoride) Opzelura® (Generic Ruxolitinib Topical) Optivar® (Generic Azelastine Ophthalmic) OptiPranolol® (Generic Metipranolol Ophthalmic) Optigene® 3 (Generic Tetrahydrozoline Ophthalmic) Opsumit® (Generic Macitentan) Opicapone Opdivo® (Generic Nivolumab Injection) Opcicon® One-Step (Generic Levonorgestrel) Opana® ER (Generic Oxymorphone) Opana® (Generic Oxymorphone) Opalescence® (Generic Fluoride) Onzetra Xsail® Nasal Powder (Generic Sumatriptan Nasal) 1 2 3 4 5 6 7 8 9 10 11 12