Escherichia coli, Klebsiella spp., Streptococcus (anginosus group), Enterococcus spp., other viridans streptococci, Bacteroides spp.
Consult interventional radiology or general surgery for drainage. Request gram stain and for anaerobic cultures, as well as histopathology
Obtain blood cultures
If patient is from or has travelled to a region with high endemicity, check amebic serology. Infectious Disease Consultation recommended
Duration depends on adequacy and timing of drainage