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In some countries, this medicine may only be approved for veterinary use.

In the US, Olsalazine (olsalazine systemic) is a member of the drug class 5-aminosalicylates and is used to treat Ankylosing Spondylitis, Ulcerative Colitis, Ulcerative Colitis - Active and Ulcerative Colitis - Maintenance.

US matches:

UK matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Anti-inflammatory agent

Drug acting on the gastrointestinal system

Chemical Name

Benzoic acid, 3,3'-azobis[6-hydroxy-

Foreign Names

  • Olsalazinum (Latin)
  • Olsalazin (German)
  • Olsalazine (French)
  • Olsalazina (Spanish)

Generic Names

  • Olsalazine (OS: DCF, BAN)
  • C.I. Mordant Yellow 5 (IS: WHO)
  • Olsalazine Sodium (OS: BANM, USAN)
  • ADS (IS)
  • Azodisal sodium (IS)
  • CI 14130 (IS)
  • Disodium azobis (IS)
  • DSA (IS)
  • Olsalazine sodique (PH: Ph. Eur. 8)
  • Olsalazine Sodium (PH: BP 2016)
  • Olsalazine sodium (PH: Ph. Eur. 8)
  • Olsalazin-Natrium (PH: Ph. Eur. 8)
  • Olsalazinum natricum (PH: Ph. Eur. 8)

Brand Names

  • Chang Mei
    Lisheng, China
  • Dipentum
    AHN Pharma, South Africa; CSP, France; Pharmabroker, New Zealand; UCB, Australia; UCB, Canada; UCB, Denmark; UCB, Finland; UCB, Iceland; UCB, Netherlands; UCB, Norway; UCB, United States; UCB Nordic, Sweden; UCB Pharma, Germany; UCB Pharma, United Kingdom
  • Olsalazine Sodium Atnahs (veterinary use)
    Atnahs Pharma UK, United Kingdom


BANBritish Approved Name
BANMBritish Approved Name (Modified)
DCFDénomination Commune Française
ISInofficial Synonym
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name
WHOWorld Health Organization

Further information on drug naming conventions: International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.