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Old 02-11-2012
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Drug Anti-Bacterial Drug of Choice

Source: revised from Katzung & Trevor Pharmacology

01. Enterococcus: Ampicillin + Gentamicin
02. Staphylococcus aureus (methicillin-susceptible): Nafcillin
03. Staphylococcus aureus (methicillin-resistant): Vancomycin
04. Streptococcus pneumonia (penicillin-susceptible): Penicillin G, Amoxicillin
05. Streptococcus pneumonia (penicillin-resistant): Vancomycin + Ceftriaxone
06. Neisseria gonorheae: Ceftriaxone (IV), Cefixime (oral)
07. Treponema pallidum: Penicillin G
08. M. meningitidis: Penicillin G
09. Moraxella catarrhalis: Cefuroxime, Fluoroquinolones
10. Clostridium difficile: Metronidazole
11. Bacteroides fragilis: Metronidazole
12. Mycoplasma pneumoniae: Macrolide
13. Chlamydia trachomatis: Azithromycin or other Macrolides
14. Klebsiella pneumoniae: 3rd generation cephalosporin
15. Enterobacter: Carbapanem, Cefipime
16. Escherichia coli: 3rd generation cephalosporin
17. Campylobacter jejuni: Macrolide
18. Gardnerella vaginalis: Metronidazole
19. Proteus mirabilis: Ampicillin
20. Proteus indole positive: 3rd generation cephalosporin
21. Salmonella typhi: Ceftriaxone
22. Shigella: Fluoroquinolone
23. Serratia: Carbapanem
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