Ofloxacin

Oxomemazine

Olanzapin

Oxiconazole nitrate

Oxaliplatin

Orlistat

Omeprazole

Oxymetazolin hydroclorid 

Oxacillin natri

Oxit magiê

Oxit kẽm

Omega 3

Olmesartan Medoxomil

Oxcarbazepin

Oseltamivir

Octreotic

Ondansetron