rifampin

noun

ri·fam·pin | \rī-ˈfam-pən

\

variants: or rifampicin \rī-ˈfam-pə-sən

\

Definition of rifampin

: a semisynthetic antibiotic C₄₃H₅₈N₄O₁₂ used especially in the treatment of tuberculosis and to treat asymptomatic carriers of meningococci

Examples of rifampin in a Sentence

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Research has found that the antibiotic rifampin, which is used to treat tuberculosis, and griseofulvin, a drug used to treat fungal infections, may decrease the effectiveness of hormonal birth control pills. — Korin Miller, SELF, "Can Antibiotics Actually Make Your Birth Control Fail?," 27 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rifampin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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The first known use of rifampin was in 1966

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rifampin

noun

ri·fam·pin | \rī-ˈfam-pən

\

variants: or rifampicin \rī-ˈfam-pə-sən

\

Medical Definition of rifampin

: a semisynthetic antibiotic C₄₃H₅₈N₄O₁₂ that is used especially in the treatment of tuberculosis and to treat asymptomatic carriers of meningococci

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