English edit

 
English Wikipedia has an article on:
Wikipedia

Etymology edit

From rifa- (rifamycin derivative).

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Noun edit

rifabutin (uncountable)

  1. (pharmacology) A bactericidal antibiotic, primarily used in the treatment of tuberculosis, whose effect is based on blocking the DNA-dependent RNA-polymerase of the bacteria.