Antimicrobial prescribing: NHS Forth Valley
For extensive, severe, or bullous impetigo, use oral antibiotics.
Reserve topical antibiotics for very localised lesions to reduce the risk of resistance.
Reserve mupirocin for MRSA.
Drug details
Topical Fusidic acid 2%
Apply thinly TDS
7 days
Flucloxacillin
500mg QDS
Child
1 month to 1 year: 62.5mg to 125mg QDS
2 to 9 years: 125mg to 250mg QDS
10 to 17 years: 250mg to 500 mg QDS
5 days
If penicillin allergic:
Clarithromycin
500mg BD
Child
1 month to 11 years:
Under 8 kg - 7.5mg/kg BD
8 to 11 kg - 62.5mg BD
12 to 19 kg: 125mg BD
20 to 29 kg - 187.5mg BD
30 to 40 kg - 250mg BD
12 to 17 years: 250mg to 500mg BD
5 days