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

In the US, Dextromethorphan (dextromethorphan systemic) is a member of the drug class antitussives and is used to treat Cough.

US matches:

UK matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Cough suppressant

Chemical Names

(+) 3-Hydroxy-N-methylmorphinan (WHO)

Morphinan, 3-methoxy-17-methyl-, (9α,13α,14α)- (USP)

Foreign Names

  • Dextromethorphanum (Latin)
  • Dextromethorphan (German)
  • Dextrométhorphane (French)
  • Dextrometorfano (Spanish)

Generic Names

  • Destrometorfano (OS: DCIT)
  • Dextromethorphan (OS: BAN)
  • Dextrométorphane (OS: DCF)
  • Ro 1-5470-5 (IS)
  • Dextromethorphan (PH: USP 34)
  • Dextromethorphan Hydrobromide (OS: BANM, JAN)
  • d-Methorphan hydrobromide monohydrate (IS)
  • DMHM (IS)
  • Dextromethorphan Hydrobromide (PH: BP 2011, Ph. Int. 4, USP 34)
  • Dextromethorphan hydrobromide (PH: Ph. Eur. 7)
  • Dextromethorphan Hydrobromide Hydrate (PH: JP XV)
  • Dextrométhorphane, bromhydrate de (PH: Ph. Eur. 7)
  • Dextromethorphanhydrobromid (PH: Ph. Eur. 7)
  • Dextromethorphani hydrobromidum (PH: Ph. Eur. 7, Ph. Int. 4)
  • Dextromethorphan Polistirex (OS: USAN)
  • Dextromethorphan Poly(styrol, divinylbenzoat)sulfonat (IS)
  • Dextromethorphan resin (IS)
  • Dextromethorphan-poly(styrol-$Ico$R-divinylbenzol)sulfonat [1:x(y:z)] (IS)

Brand Names

International Drug Name Search


BANBritish Approved Name
BANMBritish Approved Name (Modified)
DCFDénomination Commune Française
DCITDenominazione Comune Italiana
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Prop.INNProposed International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name
USPPharmacopoeia of the United States
WHOWorld Health Organization

Click for further information on drug naming conventions and International Nonproprietary Names.

Important Notice: The Drugs.com 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.