Interpretative criteria for the agar diffusion susceptibility test with azithromycin.


Azithromycin (CP-62,993) is a macrolide with a tendency to concentrate in various body tissues. Difficulties that arise when establishing tentative minimum inhibitory concentration (MIC) breakpoints for such a drug include the question of whether MICs should be compared with the achievable concentrations in blood or in tissue. Pending clinical experience… (More)