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rifampin Syllabification: ri·fam·pin
Pronunciation: /riˈfampin/
(also rifampicinriˈfampəsin)

Definition of rifampin in English:


A reddish-brown antibiotic used chiefly to treat tuberculosis and leprosy.
Example sentences
  • For the more commonly encountered methicillin-resistant coagulase-negative staphylococci, a combination of vancomycin, rifampin and gentamicin is indicated.
  • The sift did not reveal any deletions that make cells susceptible to amoxicillin, penicillin, rifampin or vancomycin, which are used to treat bacterial infections of the airways, stomach and skin.
  • The organisms are treatable with tetracycline, erythromycin, rifampin, and by the sulfonamides.


1960s: from rifam(yci)n (an antibiotic first isolated from the bacterium Streptomyces mediterranei) + the insertion of pi- from piperazine.

Definition of rifampin in:
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