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Telithromycin

Ketolides
CATEGORIES

Ketolides


ALIASES

Ketek®, Telithromycin


SUBSTANCES

telithromycin


ENVIRONMENTAL CONCERN: HIGH
Telithromycin, a semi-synthetic erythromycin derivative, belongs to a new chemical class of antibiotics called ketolides. Ketolides have been recently added to the macrolide-lincosamide-streptogramin class of antibiotics. Similar to the macrolide antibiotics, telithromycin prevents bacterial growth by interfering with bacterial protein synthesis. Telithromycin binds to the 50S subunit of the 70S bacterial ribosome and blocks further peptide elongation. Binding occurs simultaneously at to two domains of 23S RNA of the 50S ribosomal subunit, domain II and V, where older macrolides bind only to one. It is used to treat mild to moderate respiratory infections.

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HIGH

This substance is an antibiotic (also called, anti-bacterial agent). All antibiotics are suspected to cause antibiotic resistance and we should therefore try to limit releasing it to Nature via our wastewater streams.

Some key facts from WHO

  • Antibiotic resistance is one of the biggest threats to global health. food security, and development today
  • Antibiotic resistance can affect anyone, of any age, in any country.
  • Antibiotic resistance occurs naturally, but misuse of antibiotics in humans and animals is accelerating the process.
  • A growing number of infections – such as pneumonia, tuberculosis, gonorrhoea, and salmonellosis – are becoming harder to treat as the antibiotics used to treat them become less effective.
  • Antibiotic resistance leads to longer hospital stays, higher medical costs and increased mortality.
The risk classification is based on total sold amount (kg) of the substance in Sweden during the year 2011.