A broad spectrum cephalosporin and meropenem are often used because of the good penetration into the central nervous system. If the response to the antibiotic is poor, the surgical aspiration of the collected pus reduces the mass effect and enhances the efficacy of the antibiotics.
Citrobacter koseri
Escherichia coli
Enterobacter cloacae
Klebsiella oxytoca
Enteroaggregative Escherichia coli
Escherichia coli O121
Escherichia coli O157:H7
Proteus mirabilis