Sandbox Impetigo ammu
Impetigo
- Impetigo, adult
- Empiric antimicrobial therapy (covering methicillin-susceptible Staphylococcus aureus and β-hemolytic streptococci)
- Limited number of lesions
- Preferred regimen: Mupirocin topically bid for 5 days OR Retapamulin topically bid for 5 days
- Numerous lesions or outbreaks of post streptococcal glomerulonephritis
- Preferred regimen: Dicloxacillin 250 mg PO qid for 7 days OR Amoxicillin-Clavulanate 875/125 mg PO bid for 7 days OR Cephalexin 250 mg PO qid for 7 days
- Alternative regimen (for penicillin-allergic patients): Doxycycline 100 mg PO bid for 7 days OR Clindamycin 300–400 mg PO qid for 7 days OR Sulfamethoxazole-Trimethoprim 1–2 double-strength tablets PO bid for 7 days
- Culture-directed antimicrobial therapy
- Streptococcus alone
- Preferred regimen: Penicillin V 250–500 mg PO qid for 7 days
- Alternative regimen (for penicillin-allergic patients): Erythromycin 250 mg PO qid for 7 days OR Clindamycin 300–400 mg PO qid for 7 days
- Methicillin-resistant Staphylococcus aureus
- Preferred regimen: Doxycycline 100 mg PO bid for 7 days OR Clindamycin 300–450 mg PO qid for 7 days OR Sulfamethoxazole-Trimethoprim 1–2 double-strength tablets PO bid for 7 days
- Impetigo, pediatric
- Empiric antimicrobial therapy (covering methicillin-susceptible Staphylococcus aureus and β-hemolytic streptococci)
- Limited number of lesions
- Preferred regimen: Mupirocin topically bid for 5 days OR Retapamulin topically bid for 5 days
- Numerous lesions or outbreaks of poststreptococcal glomerulonephritis
- Preferred regimen: Amoxicillin-Clavulanate 25 mg/kg/day of amoxicillin component PO bid for 7 days OR Cephalexin 25–50 mg/kg/day PO tid–qid for 7 days
- Alternative regimen (for penicillin-allergic patients): Clindamycin 25–30 mg/kg/day PO tid for 7 days OR Sulfamethoxazole-Trimethoprim 8–12 mg/kg/day PO bid for 7 days
- Culture-directed antimicrobial therapy
- Streptococcus alone
- Preferred regimen: Penicillin V 60,000–100,000 U/kg PO qid for 7 days
- Alternative regimen (for penicillin-allergic patients): Erythromycin 40 mg/kg/day PO tid–qid for 7 days OR Clindamycin 20 mg/kg/day PO tid for 7 days
- Methicillin-resistant Staphylococcus aureus
- Preferred regimen: Clindamycin 25–30 mg/kg/day PO tid for 7 days OR Sulfamethoxazole-Trimethoprim 8–12 mg/kg/day PO bid for 7 days