Intelligence · Drug directory

Drugs Starting With O Intelligence

Browse 117 pharmaceutical drugs starting with "O" — INN profiles with FDA/EMA status, pipeline links, and patents.

Quick answer

NovaPharmaNews lists 117 pharmaceutical drugs whose INN (International Nonproprietary Name) begins with "O". Each profile includes regulatory status, brand names, originator companies, and cross-links to clinical pipeline and patent records.

117 drugs · Letter O · by data quality · Page 4 of 5

  1. oxyphenbutazone

    OXYPHENBUTAZONE

    ORAL FDA: approved

  2. oxyphencyclimine hydrochloride

    DARICON

    ORAL FDA: approved

  3. oxyphenonium bromide

    ANTRENYL

    ORAL FDA: approved

  4. oxytetracycline

    TERRAMYCIN

    ORAL FDA: approved

  5. oxytetracycline calcium

    TERRAMYCIN

    ORAL FDA: approved

  6. oxytetracycline hydrochloride

    TERRAMYCIN W/ POLYMYXIN

    ORAL FDA: approved

  7. oxytocin

    OXYTOCIN

    INJECTION FDA: approved · NMPA: clinical trials

  8. ozanimod hydrochloride

    ZEPOSIA

    ORAL FDA: approved

  9. ozenoxacin

    XEPI

    TOPICAL FDA: approved

  10. oblimersen

    GENASENSE

    EMA: refused

  11. octreotide

    OCTREOTIDE (SUN) Novartis Pharmaceuticals

    EMA: approved · TGA: approved · NMPA: clinical trials

    H01CB02
  12. oestrogens conjugated

    DUAVIVE

    EMA: approved

    G03CC07
  13. olezarsen

    TRYNGOLZA

    EMA: approved

    C10AX
  14. olipudase alfa

    XENPOZYME

    EMA: approved · PMDA: approved

    A16AB25
  15. olopatadine

    OPATANOL

    EMA: approved

    S01GX09
  16. omalizumab

    OMLYCLO Novartis Pharmaceuticals

    FDA: approved · EMA: approved · TGA: approved · PMDA: approved

    R03DX05
  17. omecamtiv mecarbil

    KINHARTO

    EMA: application withdrawn

    C01CX10
  18. onasemnogene abeparvovec

    ZOLGENSMA Novartis Pharmaceuticals

    EMA: approved · TGA: approved

    M09AX09
  19. oportuzumab monatox

    OPORTUZUMAB MONATOX DLRC PHARMA SERVICES

    EMA: application withdrawn

    L01FX06
  20. oritavancin

    TENKASI (PREVIOUSLY ORBACTIV)

    EMA: approved

    J01XA05
  21. oseltamivir

    EBILFUMIN

    EMA: approved · NMPA: clinical trials

    J05AH02
  22. osilodrostat

    ISTURISA Recordati Rare Diseases Australia Pty.

    EMA: approved · TGA: approved

    H02CA02
  23. osimertinib

    TAGRISSO AstraZeneca

    EMA: approved · TGA: approved · NMPA: clinical trials

    L01XE
  24. ozanimod

    ZEPOSIA Bristol-Myers Squibb Australia Pty Ltd

    FDA: approved · EMA: approved · TGA: approved

    L04AA38

Frequently asked questions

How many drugs start with O?

117 published drug profiles in our index begin with "O".

How do I find a drug by brand name?

Use the search box on the main drugs directory — it matches INN, slug, and therapeutic class. Brand names appear on each drug profile row.