(O)
octreotide
ofloxacin
olanzapine
olmesartan medoxomil
olopatadine
omeprazole
omeprazole + domperidone
ondansetron
orlistat
ormeloxifene
ornidazole
orphenadrine
oxaliplatin
oxazepam
oxcarbazepine
oxprenolol
oxybutynin
oxyfedrine
oxymetazoline
oxymetholone
oxytetracycline
oxytocin
(O)
octreotide
ofloxacin
olanzapine
olmesartan medoxomil
olopatadine
omeprazole
omeprazole + domperidone
ondansetron
orlistat
ormeloxifene
ornidazole
orphenadrine
oxaliplatin
oxazepam
oxcarbazepine
oxprenolol
oxybutynin
oxyfedrine
oxymetazoline
oxymetholone
oxytetracycline
oxytocin
(O)