TB Research

Rifampin

National Cancer Institute

Definitions · 2020-02

Abstract

A semisynthetic derivative of rifamycin with broad antibacterial activity. Rifampin inhibits DNA-dependent RNA polymerase in susceptible bacteria and is often used in combination with other antibiotics for various infections including tuberculosis.

MeSH terms

  • Rifamycin
  • Antibiotics
  • Microbiology
  • Rifampicin
  • Bacteria
  • RNA polymerase
  • Tuberculosis
  • Biology
  • Chemistry
  • Virology