Bactrim
Gram-negative and gram-positive but not anaerobes
Ciprofloxacin
Good gram-negative coverage but not effective for anaerobic and most gram-positive organisms
Ampicillin and gentamicin
Gram negative anaerobes
Clindamycin
Anaerobic coverage
Antipseudomonal monotherapy?
Cefepime, meropenem, bactrim