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In the US, Telithromycin (telithromycin systemic) is a member of the drug class ketolides and is used to treat Bronchitis, Pneumonia, Sinusitis and Tonsillitis/Pharyngitis.

US matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Antibacterial: Macrolide

Antibacterial: Ketolide

Chemical Name

(3aS,4R,7R,9R,10R,11R,13R,15R,15aR)-4-Etyloctahydro-11-metoxy-3a,7,9,11,13,15-hexametyl-1-[4-[4-(3-pyridyl)imidazol-1-yl]butyl]-10-[[3,4,6-trideoxy-3-(dimetylamino)-β-Dxylo-hexapyranosyl]oxy]-2H-oxacyclotetradecino[4,3-d]oxazole-2,6,8,14(1H,7H,9H)-tetrone (WHO)

Foreign Names

  • Telithromycinum (Latin)
  • Telithromycin (German)
  • TĂ©lithromycine (French)
  • Telitromicina (Spanish)

Generic Names

  • Telithromycin (OS: BAN, USAN, JAN)
  • HMR 3647 (IS: HoechstMarion)
  • Levviax (IS: Aventis)
  • RU 647 (IS)
  • RU 66647 (IS: HoechstMarion)

Brand Names

  • Ketec
    Aventis Pharma, Lebanon
  • Ketek
    Aventis Pharma, Greece; BB Farma, France; Mediwin, France; Pharma Lab, France; Sanofi, United Kingdom; Sanofi, Sweden; Sanofi Aventis, Brazil; Sanofi Aventis, Spain; Sanofi Oy, Finland; Sanofi-Aventis, Belgium; Sanofi-Aventis, Egypt; Sanofi-Aventis, France; Sanofi-Aventis, Italy; Sanofi-Aventis, Lithuania; Sanofi-Aventis, Oman; Sanofi-Aventis, Portugal; Sanofi-Aventis, Serbia; Sanofi-Aventis, South Africa; Sanofi-Aventis, Germany


BANBritish Approved Name
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
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

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