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Open Dose Calculator →Gentamicin
Gentamicin
💊 Used for: Serious gram-negative infections, neonatal sepsis
Formulation
Injection
20mg/ml
Dose Range
5–7.5 mg/kg
Max Daily
7.5 mg/kg
Frequency
Once daily
Max Single
240 mg
Route: IV/IM
Dose by Child Weight
Based on formulation: 20mg/ml
| Child's Weight | Dose (mg) | Dose (ml) | Max Daily Dose (mg) |
|---|---|---|---|
| 5 kg | 25–38 mg | 2.5–3.8 ml | ≤ 38 mg |
| 6 kg | 30–45 mg | 3.0–4.5 ml | ≤ 45 mg |
| 7 kg | 35–53 mg | 3.5–5.3 ml | ≤ 53 mg |
| 8 kg | 40–60 mg | 4.0–6.0 ml | ≤ 60 mg |
| 9 kg | 45–68 mg | 4.5–6.8 ml | ≤ 68 mg |
| 10 kg | 50–75 mg | 5.0–7.5 ml | ≤ 75 mg |
| 12 kg | 60–90 mg | 6.0–9.0 ml | ≤ 90 mg |
| 15 kg | 75–113 mg | 7.5–11.3 ml | ≤ 113 mg |
| 18 kg | 90–135 mg | 9.0–13.5 ml | ≤ 135 mg |
| 20 kg | 100–150 mg | 10.0–15.0 ml | ≤ 150 mg |
| 25 kg | 125–188 mg | 12.5–18.8 ml | ≤ 188 mg |
| 30 kg | 150–225 mg | 15.0–22.5 ml | ≤ 225 mg |
* Always verify with your doctor. doses are approximate and may vary based on condition and formulation.
⚠️ Important Warnings
- •Monitor renal function
- •Monitor serum levels
- •May cause ototoxicity and nephrotoxicity
Possible Side Effects
- •Nephrotoxicity (dose-related, irreversible)
- •Ototoxicity (vestibular and cochlear)
- •Neuromuscular blockade (rare)
- •Requires therapeutic drug monitoring
- •Peak and trough levels must be checked
💡 Use the DoseCare Calculator for interactive dose calculations tailored to your child's exact weight and formulation.
DoseCare is a decision support tool only. Always verify doses with a qualified healthcare provider.