| rifabutin | An oral drug approved by the FDA for preventing MAC in people with AIDS and CD4 cell counts of less than 75. Rifabutin is also used in combination with other drugs for the treatment of active MAC infection. Possible side effects include neutropenia, eye and muscle irritation and a brown-orange discolouration of skin and urine. (09 Oct 1997) |
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| rifampicin | <drug> Semi synthetic member of the rifamycin group of antibiotics. (18 Nov 1997) |
| rifampin | <chemical> A semisynthetic antibiotic used in treatment of tuberculosis. Pharmacological action: antibiotics, antitubercular, leprostatic agents. Chemical name: Rifamycin, 3-(((4-methyl-1-piperazinyl)imino)methyl)- (12 Dec 1998) |
| rifamycin | <drug> Antibiotic produced by Streptomyces mediterranei that acts by inhibiting prokaryotic, but not eukaryotic DNA dependent RNA synthesis. Blocks initiation, but not elongation of transcripts. (18 Nov 1997) |
| rifamycin B oxidase | <enzyme> Converts rifamycin b to rifamycin o which spontaneously hydrolyzes to rifamycin s in neutral aqueous media Registry number: EC 1.10.3.- (26 Jun 1999) |
| rifamycins | <chemical> A group of antibiotics characterised by a chromophoric naphthohydroquinone group spanned by an aliphatic bridge not previously found in other known antibiotics. They have been isolated from fermentation broths of streptomyces mediterranei. Pharmacological action: antibiotics. (12 Dec 1998) |