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infectious disease header

Infection
Skin (Cellulitis, erysipelas)  Possible therapeutic alternatives
Cellulitis (extremities): No risk factors. Mild cases .

Treatment duration: 
7 - 10 days

 Common pathogens
Penicillin VK 500mg orally every 6 hours 
Azithromycin 500mg x 1, then 250mg once daily or 
Augmentin 500mg orally three times daily or 875/125mg orally q12h
Cephalexin 500mg orally every 6 hours or
Cefadroxil 500mg-1g orally every 12 hours or Cefuroxime 250-500mg orally every 12 hours
Dicloxacillin 500mg orally four times daily or
Erythromycin 500mg orally or IV every 6 hours or 
Moxifloxacin (Avelox) 400mg orally once daily or
Cefazolin 1 gram ivpb every 8 hours or
Erysipelas (sharply demarcated borders)

 

Treatment duration: 
7 - 10 days

 Common pathogens
Dicloxacillin 500mg orally four times daily or
Clindamycin 300mg orally four times daily or if severe 600mg IV every 6 hours or
Augmentin 500mg orally three times daily or
Azithromycin 500mg x 1, then 250mg once daily or 
Erythromycin 500mg orally or IV every 6 hours or 
Cephalexin (Keflex ®) 250-500mg orally every 6 hours or
Cefadroxil 500mg-1g orally every 12 hours or Cefuroxime 250-500mg orally every 12 hours or  Cefprozil 250-500mg orally once or twice daily.
Cefazolin 1 gram ivpb every 8 hours
Cellulitis: (Risk factors), Diabetes mellitus, Immunosuppressed, ulcerated lesions. Common pathogens
Early/mild:
Cefotetan 1-2 grams ivpb every 12 hours or
Ampicillin-sulbactam 1.5 - 3 grams  ivpb every 6 hours  or 
Augmentin 500mg orally three times daily or 875/125mg orally q12h
Severe penicillin allergy:
Vancomycin 1 gram  ivpb q12h + Gentamicin  +/-  Metronidazole

Images

Cellulitis
Erysipelas 

References - Infectious Disease Section
Infectious Disease References

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