rifamycin

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rifamycin

 [rif″ah-mi´sin]
any of a family of antibiotics biosynthesized by a strain of Streptomyces mediterranei, effective against a broad spectrum of bacteria. The five components are designated A, B, C, D, and E; rifamycins O, S, and SV are derivatives of the B component, and AG and X are derivatives of the O component. Used for the initial treatment and retreatment of pulmonary tuberculosis and for prevention of meningoccal infections in close contacts of patients with Neisseria meningitidis infections.

rifamycin

/rif·a·my·cin/ (rif″ah-mi´sin) any of a family of antibiotics biosynthesized by a strain of Streptomyces mediterranei, effective against a broad spectrum of bacteria, including gram-positive cocci, some gram-negative bacilli, and Mycobacterium tuberculosis and certain other mycobacteria; used for the treatment of tuberculosis and the prophylaxis of meningococcal infections.

rifamycin

(rĭf′ə-mī′sĭn)
n.
Any of a group of antibiotics originally isolated from a strain of the soil microorganism Streptomyces mediterranei, used in the United States to treat tuberculosis and prevent meningococcal infections, and used in other countries to treat leprosy and other bacterial diseases.

rifamycin

[rif′ah-mi′sin]
any of a family of antibiotics biosynthesized from a strain of Streptomyces mediterranei, effective against a broad spectrum of bacteria. The five components are designated A, B, C, D, and E; rifamycins O, S, and SV are derivatives of the B component, and AG and X are derivatives of the O component. It is used for the initial treatment and retreatment of pulmonary tuberculosis and for prevention of meningococcal infections in close contacts of patients with Neisseria meningitidis infections.

rifamycin

a family of antibiotics produced in cultures of Streptomyces mediterranei. Effective against gram-positive cocci and gram-negative bacilli and mycobacteria including Mycobacterium tuberculosis.