Drugs A to Z
Browse 1,734 medicine pages by name. Each page explains what the medicine treats, how it is normally taken and which warnings matter.
Osphena
ospemifene
Osphena is a non-estrogen medicine that reverses certain changes in vaginal tissue that are caused by men…
Otarmeni
lunsotogene parvec-cwha
Otarmeni (lunsotogene parvec-cwha) is a one-time gene therapy used for severe-to-profound and profound se…
Otezla
apremilast
Otezla (apremilast) is a prescription medicine used to treat plaque psoriasis, psoriatic arthritis, and m…
Otulfi
ustekinumab-aauz
Otulfi is an interchangeable biosimilar to Stelara used to treat Crohn's disease, ulcerative colitis, mod…
Ovidrel
choriogonadotropin alfa
Ovidrel is a prescription hCG trigger shot used during IVF and other fertility treatments to bring eggs t…
Oxaliplatin
oxaliplatin
Oxaliplatin is a cytotoxic chemotherapy drug used to treat cancer. It is a type of platinum drug and an a…
Oxbryta
voxelotor
Oxbryta is a prescription medicine used to treat sickle cell disease (an inherited blood disease) in adul…
Oxecta
oxycodone
Oxecta was a brand name for an opioid pain medication. An opioid is sometimes called a narcotic. Oxecta w…
Oxtellar XR
oxcarbazepine
Oxtellar XR (oxcarbazepine) is a once-a-day anticonvulsant drug used to treat partial-onset seizures in p…
Oxybutynin
oxybutynin (oral and transdermal)
Oxybutynin reduces muscle spasms of the bladder and urinary tract. Oxybutynin is used to treat symptoms o…
Oxycodone
oxycodone hydrochloride
Oxycodone is a strong opioid pain medicine used to manage pain that is severe enough to need an opioid, a…
Oxycodone and Acetaminophen
Prescription only
oxycodone and acetaminophen
Oxycodone and acetaminophen tablets are used to manage pain severe enough to require an opioid analgesic…
OxyContin
oxycodone hydrochloride extended-release
OxyContin is used to manage severe and persistent pain that requires an extended treatment period with a…
Oxymorphone
oxymorphone hydrochloride
Oxymorphone is used to manage pain severe enough to require an opioid pain medicine when other pain medic…
Oxytrol Patch
oxybutynin (transdermal)
Oxytrol is a patch containing oxybutynin that is placed on the abdomen, hips, or buttocks once every 3 to…
Ozanimod
ozanimod
Ozanimod is used to treat relapsing forms of multiple sclerosis in adults (including clinically isolated…
Ozempic
semaglutide
Ozempic (semaglutide) pill and injection are prescription medications used for type 2 diabetes to improve…
Ozurdex
dexamethasone (intraocular)
Ozurdex implants contain dexamethasone, a corticosteroid used to treat inflammation. Intraocular dexameth…
Pacritinib
pacritinib
Pacritinib (brand name Vonjo) is used to treat types of myelofibrosis with low platelet counts (cytopenic…
Padcev
enfortumab vedotin-ejfv
Padcev is used to treat muscle-invasive bladder cancer or locally advanced or metastatic urothelial cance…
Palbociclib
palbociclib
Palbociclib (brand name Ibrance) is used to treat certain types of HR-positive/HER2-negative and HR-posit…
Palforzia
peanut allergen extract
Palforzia is an oral immunotherapy treatment that may be used to help reduce the severity of an allergic…
Palsonify
paltusotine
Palsonify is used to treat acromegaly in adults for whom pituitary surgery was unsuccessful or surgery is…
Palynziq
pegvaliase-pqpz
Palynziq reduces blood phenylalanine levels in adults and children 12 years and older with phenylketonuri…