Ceftriaxone 250 mg intramuscularly in a single ... it should be pointed out that both of these cephalosporins fail to cover the Gram-negative anaerobes often associated with BV that cefoxitin ...

This will include anaerobic bacteria and aerobic Gram-negative bacteria ... A combination of parenteral ceftriaxone and metronidazole or clindamycin provides this coverage. It is unclear how ...