Complicated intra-abdominal infection and peritonitis

Complicated intra-abdominal infection — adult 2 g every 12 h + metronidazole

Uncomplicated infections (pneumonia, UTI, skin) — adult 1 g every 6–8 h

Children ≥3 months — 30–40 mg/kg every 6–8 h

Complicated intra-abdominal infection — ≥13 y 1 g once daily, 5–14 days

Intra-abdominal infection — child 3 months–12 y: 15 mg/kg twice daily (max 1 g/day)

Complicated intra-abdominal infection — adult 1 g every 8 h

cIAI — child ≥3 months: 20 mg/kg every 8 h (max 1 g)

Intra-abdominal, skin, pelvic infections and CAP — adult 3.375 g every 6 h

Appendicitis or peritonitis — infant 2–9 months: 90 mg/kg every 8 h

Appendicitis or peritonitis — >9 months up to 40 kg: 112.5 mg/kg every 8 h

cSSSI, cIAI, CAP — 100 mg, then 50 mg every 12 h