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

In the US, Diclofenac (diclofenac systemic) is a member of the drug class nonsteroidal anti-inflammatory agents and is used to treat Ankylosing Spondylitis, Aseptic Necrosis, Back Pain, Frozen Shoulder, Migraine, Muscle Pain, Osteoarthritis, Pain, Period Pain, Rheumatoid Arthritis, Sciatica and Spondyloarthritis.

US matches:

UK matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Analgesic, antipyretic and anti-inflammatory agent

Non-steroidal anti-inflammatory drug, NSAID

Chemical Names

[o-(2,6-Dichloroanilino)phenyl]acetic acid (WHO)

[2-(2,6-Dichloranilino)phenyl]eβigsäure (IUPAC)

Foreign Names

Generic Names

  • Diclofenac (OS: BAN, DCIT)
  • Diclofénac (OS: DCF)
  • Ba 47210 (IS)
  • Diclofenac Diethylamine (OS: BANM)
  • Diclofenac diethylammonium (IS)
  • Diclofenac-diethylazan (IS)
  • Diclofenac Diethylamine (PH: BP 2015)
  • DHEP (IS)
  • Diclofenac 1-pyrrolidinethanol (IS)
  • Diclofenac epolamine (IS)
  • Diclofenac Potassium (OS: BANM, USAN)
  • CGP 45840B (IS: Ciba-Geigy)
  • Diclofénac potassique (PH: Ph. Eur. 8)
  • Diclofenac Potassium (PH: BP 2015, USP 37)
  • Diclofenac potassium (PH: Ph. Eur. 8)
  • Diclofenac-Kalium (PH: Ph. Eur. 8)
  • Diclofenacum kalicum (PH: Ph. Eur. 8)
  • Diclofenac Colestyramine (IS)
  • Diclofenac Sodium (OS: BANM, JAN, USAN)
  • GP 45840 (IS)
  • Diclofénac sodique (PH: Ph. Eur. 8)
  • Diclofenac Sodium (PH: BP 2015, JP XVI, USP 37)
  • Diclofenac sodium (PH: Ph. Eur. 8)
  • Diclofenac-Natrium (PH: Ph. Eur. 8)
  • Diclofenacum natricum (PH: Ph. Eur. 8)

Brand Names

International Drug Name Search


BANBritish Approved Name
BANMBritish Approved Name (Modified)
DCFDénomination Commune Française
DCITDenominazione Comune Italiana
IUPACInternational Union of Pure and Applied Chemistry
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name
WHOWorld Health Organization

Click for further information on drug naming conventions and 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.