Cocci: gram + (Staph/Strep/Entero)

Cocci: gram - (Neisseria)

Rods: gram +

Anaerobes (most, but not bacteroides)

*Extended Spectrum*

Rods: gram - (H. flu, E. coli, Moraxella)

Cocci: gram + (less so than Pen G/PenV)

Cephalexin

*Keflex*

Cocci: gram +

Rods: gram - (Proteus, E. coli, Klebsiella)

*similar to amoxicillin*

Cefuroxime

(Ceftin)

(2nd gen)

Rods: extended gram (H. flu, Enterobacter)

Anaerobes: best activity of cephalosporins

Cefdinir

(*Omnicef)

Rods: expanded gram -, less gram +

Moderate antipseudomonal

Azithromycin

(*Zithromax)

Extended spectrum: Cocci/rods: gram + (good alternative in PCN allergy)

Rods: some gram - bacilli (legionella, bordatella, h. pylori)

Atypical: Mycoplasma, CT pna

Broad Spectrum (but bugs are becoming increasingly resistant-be aware!)

Choice for CA-MRSA

Atypicals (CT, mycoplasma, rickettsia, spirochetes)

Ciprofloxacin

(AKA Cipro)

Extended Spectrum:

Gram - (pseudomonas, UTI)

Levofloxacin

AKA Levaquin

Extended Spectrum:

Gram + (respiratory, UTI)

Sulfamethoxazole/Trimethoprim

AKA Bactrim, Septra

Broad Spectrum

Gram +/-

CT, UTIs

Choice in CA-MRSA and PCP

Nitrofurantoin

AKA Macrobid

Metronidazole

AKA Flagyll

Anaerobic bacteria (C. dif)

Protozoa (trich, giardia)

Listeria

Enterococcus

GBS