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Open Dose Calculator →Colistimethate Sodium
Colistimethate sodium (IV)
💊 Used for: Gram-negative Pseudomonas aeruginosa, Enterobacter, Klebsiella
Formulation
Injection (units)
Measured in units, not mg
Dose Range
50000–75000 mg/kg
Max Daily
N/A
Frequency
Every 8 hours (units IU/kg/day)
Max Single
150 mg
Route: IV
Dose by Child Weight
Based on formulation: Measured in units, not mg
| Child's Weight | Dose (mg) | Dose (ml) | Max Daily Dose (mg) |
|---|---|---|---|
| 5 kg | 250000–375000 mg | Infinity–Infinity ml | — |
| 6 kg | 300000–450000 mg | Infinity–Infinity ml | — |
| 7 kg | 350000–525000 mg | Infinity–Infinity ml | — |
| 8 kg | 400000–600000 mg | Infinity–Infinity ml | — |
| 9 kg | 450000–675000 mg | Infinity–Infinity ml | — |
| 10 kg | 500000–750000 mg | Infinity–Infinity ml | — |
| 12 kg | 600000–900000 mg | Infinity–Infinity ml | — |
| 15 kg | 750000–1125000 mg | Infinity–Infinity ml | — |
| 18 kg | 900000–1350000 mg | Infinity–Infinity ml | — |
| 20 kg | 1000000–1500000 mg | Infinity–Infinity ml | — |
| 25 kg | 1250000–1875000 mg | Infinity–Infinity ml | — |
| 30 kg | 1500000–2250000 mg | Infinity–Infinity ml | — |
* Always verify with your doctor. doses are approximate and may vary based on condition and formulation.
⚠️ Important Warnings
- •Nephrotoxicity.
💡 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.