in order to select the appropriate dosing intervals , the in vitro post-antibiotic effect ( pae ) of clarithromycin and erythromycin were compared and the efficacies of clarithromycin and erythromycin when administered once ( q.d . ) , twice ( b.i.d . ) and three ( t.i.d . ) times a day in mouse protection tests were measured .
C0055856
clarithromycin
C0014806
erythromycin