AOM - failure of first line agents

  • persistent (still symptomatic at 48 - 72 h)
Usual Pathogens

S. pneumoniae
Moraxella catarrhalis
H. influenzae

 
Occasionally:

Group A Streptococci
S. aureus

Second line agents:

Failure of standard dose amoxicillin

Empiric Therapy Dose Duration
Amoxicillin 45mg/kg/d PO div bid-tid 10 days
+    
Amoxicillin-clavulanate
(7:1 - Clavulin -200 or -400)
45mg/kg/d PO div bid-tid 10 days

Failure of high dose amoxicillin

Empiric Therapy

Dose

Duration
Amoxicillin-clavulanate
(7:1 - Clavulin -200 or -400)
45mg/kg/d PO div bid 10 days

Penicillin allergy

Empiric Therapy

Dose

Duration
[Clindamycin 20-40mg/kg/d PO div tid 10 days
+    
Cefixime] 8mg/kg/d PO div bid  
or    
Ceftriaxone 50mg/kg IM/IV daily 3 days

Severe penicillin allergy or cephalosporin allergy

Empiric Therapy

Dose

Duration
Levofloxacin 10-20mg/kg/d PO div q12-24h 10 days