Pathogen Coverage
Anaerobes – best pure anaerobic ABX
Actinomyces & Propionibacterium usually resistant
Trichomoniasis and Gardnerella vaginalis (Trich and BV)
H. pylori
Amoebas
Clinical Uses:
Anaerobic infections (eg, brain abscess)
Combined with a “gram-negative agent” (eg, cipro, ceftriaxone) to provide mixed gram-negative/anaerobic coverage
Eg, for peritonitis, we use ceftriaxone + metronidazole
C difficile
IV metronidazole + PO vanc for fulminant cases
Oral metronidazole is now a second-line tx recommendation
H. pylori
Trichomoniasis & Gardnerella vaginalis
Amebiasis