Suggested Empiric Antimicrobial Agents of Choice (7th Edition) Wausau Hospital 2006-2008 Infectious Disease Section & Pharmacy and Therapeutics Committee ©WAB/2006
   Beta-Lactams
   Ampicillin
2gm q 4-6h
<$10
CrCI, 50-80, usual
CrCI, 10-50, q 6-12h
CrCI, <10, q 12-24h
   Nafcillin
2gm q 4-6h
<$20
CrCI, 50-80, usual
CrCI, 10-50, usual
CrCI, <10, usual
   Unasyn
1.5-3gm q 6h
$44
CrCI, 50-80, q 8h
CrCI, 10-50, q 8h
CrCI, <10, q 12h
   Zosyn
4.5gm q 8h
$60
CrCI, 50-80, usual
CrCI, 10-50, 2.25gm q 6h
CrCI, <10, 2.25gm q 8h
   Cefazolin (ancef)
1gm q 8h
$9
CrCI, 50-80, usual
CrCI, 10-50, q 12h
CrCI, <10, q 24-48h
   Ceftriaxone (Rocephin)
1gm q 24h
$12
CrCI, 50-80, usual
CrCI, 10-50, usual
CrCI, <10, usual
   Cefepime (Maxipime)
2gm q 12h
$64
CrCI, 50-80, 2gm q 24h
CrCI, 10-50, 1 gm q 24h
CrCI, <10, 500mg q 24h
   Aztreonam
1-2gm q 8h
$60-$120
CrCI, 50-80, usual
CrCI, 10-50, 1-2gm q 12h
CrCI, <10, 1-2gm q 24h
   Ertapenem (Invanz)
1gm q 24h
$42
CrCI, 50-80, usual
CrCI, 10-50, < (less than or = to)30=500mg q 24h 
CrCI, <10, 500mg q 24h