| Drug | Class | Adult | Paediatric | Notes |
|---|---|---|---|---|
| Amoxicillin (oral)[1] | Aminopenicillin | Not applicable — paediatric guideline | Pneumonia non-severe: 50 mg/kg/day in 2 divided doses × 5 days. PSBI pre-referral: 25 mg/kg single dose | First-line oral antibiotic for pneumonia in children ≥2 months; high-dose vs amoxicillin-resistance regions; PSBI uses lower stat dose with gentamicin |
| Co-amoxiclav (amoxicillin-clavulanate)[1] | Aminopenicillin + beta-lactamase inhibitor | Not applicable — paediatric guideline | 45–80 mg/kg/day amoxicillin component in 2 divided doses × 5–10 days | Severe pneumonia, treatment failure, suspected H influenzae or atypical; oral or IV; switch from IV when stable |
| Ampicillin (IV) + gentamicin[1] | Aminopenicillin + aminoglycoside | Not applicable — paediatric guideline | Ampicillin 50 mg/kg every 6 h IV; gentamicin 7.5 mg/kg/day IV (neonates per local protocol) | First-line inpatient severe pneumonia or sepsis; switch oral after improvement; gentamicin levels and renal function in prolonged courses |
| Ceftriaxone (IV)[1] | Third-generation cephalosporin | Not applicable — paediatric guideline | 50–80 mg/kg/day IV once daily (max 2 g) | Severe pneumonia, suspected meningitis, treatment failure; covers H influenzae and pneumococcus |
| Salbutamol (nebulised) for wheeze[1] | Short-acting beta-2 agonist | Not applicable — paediatric guideline | 0.15 mg/kg/dose (min 2.5 mg, max 5 mg) every 20 min × 3 then every 4–6 h | For wheeze with respiratory distress; reassess after each dose; consider pneumonia plus reactive airways |
Triage and management of acute respiratory infection in children <5 years using IMNCI thresholds; antibiotic stewardship for viral vs bacterial.