Bacterial Endocarditis with a Tolerant Staphylococcal Organism

Julia A. McMillan, Leonard B. Weiner

Research output: Contribution to journalArticlepeer-review


An eight-year-old boy developed staphylococcal endocarditis. He was treated initially with nafcillin and gentamicin, but he remained febrile. The minimum bactericidal concentration (MBC) of nafcillin was 130 times the minimum inhib itory concentration (MIC). Following the addition of rifampin to the antibiotic regimen, the patient became afebrile and recovered. The discrepancy between the MBC and MIC indicated tolerance to nafcillin. Tolerance is a mode of antibiotic resistance that must be considered in treating life-threatening illness.

Original languageEnglish (US)
Pages (from-to)252-254
Number of pages3
JournalClinical pediatrics
Issue number4
StatePublished - Apr 1982
Externally publishedYes

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health


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