Drugs A to Z
Browse 3,602 medicine pages by name. Each page explains what the medicine treats, how it is normally taken and which warnings matter.
Nuedexta
dextromethorphan and quinidine
Nuedexta contains a combination of dextromethorphan and quinidine. Dextromethorphan affects the signals i…
Nulojix
belatacept
Nulojix weakens your body's immune system, to help keep it from "rejecting" a transplanted organ such as…
Nuplazid
pimavanserin
Nuplazid (pimavanserin) is an antipsychotic medicine that may be used to treat hallucinations and delusio…
Nurtec ODT
rimegepant
Nurtec (rimegepant) is a prescription medicine used to treat acute migraine attacks (with or without aura…
Nusinersen
nusinersen
Nusinersen is an intrathecal injection used to treat spinal muscular atrophy (SMA) in children and adults…
Nutropin AQ NuSpin
somatropin
Nutropin AQ (somatropin) is an injectable preparation that may be used to treat children with growth fail…
NuvaRing
ethinyl estradiol and etonogestrel (vaginal ring)
The NuvaRing vaginal ring contains a combination of ethinyl estradiol and etonogestrel are female hormone…
Nuvaxovid
COVID-19 vaccine, adjuvanted (2026-2027 formula)
Nuvaxovid is a vaccine used to protect against COVID-19. Nuvaxovid is for people who are: 65 years of age…
Nuvigil
armodafinil
Nuvigil (armodafinil) is an oral prescription medicine that may be used to improve wakefulness in adults…
Nuzolvence
zoliflodacin
Nuzolvence is used to treat uncomplicated urogenital gonorrhea caused by Neisseria gonorrhoeae in adults…
Nypozi
filgrastim
Nypozi (filgrastim-txid) is a man-made form of granulocyte colony-stimulating factor (G-CSF) which may be…
Nyvepria
pegfilgrastim-apgf
Nyvepria is used to help reduce the chance of infection due to low white blood cell counts in adults and…
Obeticholic acid
obeticholic acid
On September 11, 2025, Intercept Pharmaceuticals, Inc., decided to voluntarily withdraw obeticholic acid…
Obinutuzumab
obinutuzumab
Obinutuzumab (Gazyva) is a targeted immunotherapy treatment used to treat chronic lymphocytic leukemia (C…
Ocaliva
obeticholic acid
On September 11, 2025, Intercept Pharmaceuticals, Inc., decided to voluntarily withdraw Ocaliva from the…
Ocrelizumab
ocrelizumab
Ocrelizumab is a prescription medicine used to treat relapsing forms of multiple sclerosis, including cli…
Ocrevus
ocrelizumab
Ocrevus (ocrelizumab) is a prescription biologic medicine used to treat relapsing forms of multiple scler…
Ocrevus Zunovo
ocrelizumab and hyaluronidase
Ocrevus Zunovo (ocrelizumab and hyaluronidase-ocsq) is the injection form of Ocrevus, used to treat relap…
Octagam
immune globulin (IGIV) (intravenous)
Octagam is a sterilized solution made from human plasma. It contains the antibodies to help your body pro…
Octaplas
pooled plasma (human)
Odactra
house dust mite allergen extract
Odactra contains allergen extract from common household dust mites. Dust mite allergies can trigger breat…
Odefsey
emtricitabine, rilpivirine, and tenofovir
Odefsey contains a combination of emtricitabine, rilpivirine, and tenofovir. Emtricitabine, rilpivirine,…
Odomzo
sonidegib
Odomzo is a cancer medicine that interferes with the growth and spread of cancer cells in the body. Odomz…
Ofatumumab
ofatumumab
Ofatumumab (brand name Kesimpta) is used to treat relapsing forms of multiple sclerosis (MS) in adults. I…