Drugs: O
Obeticholic acid
Obinutuzumab
Ocaliva
Ocrelizumab
Ocriplasmin
Octaplex
Octasa
Octenilin
Octenisan
Octreotide
Odefsey
Ofatumumab
Ofloxacin
Oilatum
Oily Phenol
Olanzapine
Olaparib
Olaratumab
Olive Oil
Olodaterol
Olopatadine
Olumiant
Omalizumab
Omeprazole
Oncasper
Oncasper
OncoTICE
Ondansetron
One Touch Ultra
Opdivo®
Optium Plus
Optive
Orabase
Oral Nutritional Supplements
Oralbalance
Oramorph
Orencia
Orlistat
Orphenadrine hydrochloride
Oseltamivir
Osimertinib
Osmohale
Otezla
Otomize
Otosporin
Ovestin
Ovranette
Oxaliplatin
Oxcarbazepine
Oxidised Cellulose sponge
Oxis
Oxybuprocaine
Oxybutynin
Oxycodone hydrochloride CD
Oxygen
Oxytetracycline
Oxytocin
Ozurdex