% of isolates susceptible based on non-meningitis breakpoint. % of isolates susceptible based on meningitis breakpoint = 85%
Organisms susceptible to tetracycline are also susceptible to doxycycline. However, some organisms that are nonsusceptible to tetracycline may be susceptible to doxycycline.
Susceptibility to erythromycin for these organisms is the same as for azithromycin/clarithromycin