Need an Exact Dose for Your Child?
Enter your child's weight for an instant calculation
Open Dose Calculator →Nitrofurantoin
Nitrofurantoin
💊 Used for: UTI. Prophylaxis 1-2 mg/kg at bedtime.
Formulation
Tablet
Standard tablet
Dose Range
5–7 mg/kg
Max Daily
N/A
Frequency
Every 6 hours with meals
Max Single
100 mg
Route: Oral
Dose by Child Weight
Based on formulation: Standard tablet
| Child's Weight | Dose (mg) | Dose (ml) | Max Daily Dose (mg) |
|---|---|---|---|
| 5 kg | 25–35 mg | 25.0–35.0 ml | — |
| 6 kg | 30–42 mg | 30.0–42.0 ml | — |
| 7 kg | 35–49 mg | 35.0–49.0 ml | — |
| 8 kg | 40–56 mg | 40.0–56.0 ml | — |
| 9 kg | 45–63 mg | 45.0–63.0 ml | — |
| 10 kg | 50–70 mg | 50.0–70.0 ml | — |
| 12 kg | 60–84 mg | 60.0–84.0 ml | — |
| 15 kg | 75–105 mg | 75.0–105.0 ml | — |
| 18 kg | 90–126 mg | 90.0–126.0 ml | — |
| 20 kg | 100–140 mg | 100.0–140.0 ml | — |
| 25 kg | 125–175 mg | 125.0–175.0 ml | — |
| 30 kg | 150–210 mg | 150.0–210.0 ml | — |
* Always verify with your doctor. doses are approximate and may vary based on condition and formulation.
⚠️ Important Warnings
- •C/I: Impaired renal function, G-6-PD deficiency, age <1 month.
💡 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.