“…F necrophorum has been traditionally susceptible to penicillin, clindamycin, metronidazole and chloramphenicol, but activity of the cephalosporins, erythromycin and tetracyclines have been variable 46 It must be noted that some treatment failures with penicillin have been reported 1629 β-Lactamase production by some F necrophorum might account for this observation,6
30 so that β-lactamase-resistant antibiotics with anaerobic activity (ticarcillin–clavulanate, ampicillin–sulbactam, etc,) are recommended today 6…”