since the isolated strains of staphylococcus aureus were tolerant to methicillin , we used oral rifampicin ( 20 mg/kg/day ) plus an aminoglycoside ( amikacin in the former and gentamicin in the latter ) , after in-vitro testing had proved these combinations to be effective .
C0002556
aminoglycoside
C0002499
amikacin