occlusal
octagam
octocrylene
octoxynol
octreotide
octreotide acetate
octyl methoxycinnamate
ocuflox
odansetron
oestradiol
ofloxacin
ogen
ogestrel
oil of olay
olanzapine
olmesartan
olmesartan medoxomil
olmetec
olopatadine
olopatadine hydrochloride
olsalazine
olux
omacor
omalizumab
omapatrilat
ombrelle
omca
omega-3-acid
omega-3-acid ethyl esters
omeprazol
omeprazole
omeprazole delayed-release
omeprazole magnesium
omnicef
omnihist
omnipaque
omniscan
oms
oncaspar
oncovin
ondansetron
one-alpha
ontak
onxol
oophorectomy
opcon-a
ophthalmic
opium
opium tincture
oprelvekin
optimark
optimine
optiray
optison
optivar
opv
orabase
oradexon
orajel
oral contraceptives
oral interferon alfa
oral rehydration salts
oral transmucosal fentanyl citrate
orally disintegrating tablet
oramorph
orap
orapred
orasone
orchidectomy
orciprenaline
orencia
orfadin
orgaran
orinase
orlaam
orlistat
orphenadrine
orphenadrine citrate
ortho
ortho evra
ortho tri-cyclen
ortho tri-cyclen lo
ortho-cept
ortho-cyclen
ortho-novum
ortho-prefest
orthovisc
orudis
oruvail
os-cal
oseltamivir
oseltamivir phosphate
ospa lipoprotein
otc
otimar
otrivin
ouabain
ovcon
ovide
ovidrel
ovine hyaluronidase
ovol
ovral
oxacillin
oxaliplatin
oxandrin
oxandrolone
oxaprozin
oxazepam
oxcarbazepine
oxiconazole nitrate
oxilan
oxistat
oxsoralen
oxsoralen-ultra
oxy 10
oxybate
oxybenzone
oxybutynin
oxybutynin chloride
oxybutynin transdermal system
oxycocet
oxycodone
oxycodone acetaminophen
oxycodone and acetaminophen
oxycodone and aspirin
oxycodone hcl
oxycodone hydrochloride
oxycodone hydrochloride and acetaminophen
oxycontin
oxymetazoline
oxymetholone
oxymorphone
oxyntomodulin
oxyphencyclimine
oxyphenonium
oxytetracycline
oxytocin
oxytrol