Cellulitis, recurrent

[NEJM 2013;368: 1695-703, Clin Infect Dis 2014;59:147-59.]

 

- Review differential diagnosis of cellulitis.

- Identify and treat predisposing conditions, e.g. edema, obesity, eczema, venous insufficiency, toe web intertrigo.

- Prophylactic antibiotics could be considered in patients who have ≥ 3 episodes of unilateral cellulitis per year despite attempts to modify predisposing conditions.

 
Usual Pathogens

ß-haemolytic Streptococci

Prophylaxis

Empiric Therapy Dose Duration
Penicillin VK 250mg PO bid Prolonged prophylaxis may be required if predisposing conditions cannot be modified.
or    
Benzathine penicillin 1.2MU IM q4weeks Prolonged prophylaxis may be required if predisposing conditions cannot be modified.

Penicillin allergy

Empiric Therapy Dose Duration
Azithromycin 250mg PO daily Prolonged prophylaxis may be required if predisposing conditions cannot be modified.
or    
Clarithromycin 500mg PO daily Prolonged prophylaxis may be required if predisposing conditions cannot be modified.