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Open Dose Calculator →Rifampicin
Rifampicin
💊 Used for: Tuberculosis; H. influenzae type b prophylaxis; N. meningitidis prophylaxis; cat scratch disease
Formulation
Tablet
Standard tablet
Dose Range
10–20 mg/kg
Max Daily
20 mg/kg
Frequency
As directed
Max Single
600 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 | 50–100 mg | 50.0–100.0 ml | ≤ 100 mg |
| 6 kg | 60–120 mg | 60.0–120.0 ml | ≤ 120 mg |
| 7 kg | 70–140 mg | 70.0–140.0 ml | ≤ 140 mg |
| 8 kg | 80–160 mg | 80.0–160.0 ml | ≤ 160 mg |
| 9 kg | 90–180 mg | 90.0–180.0 ml | ≤ 180 mg |
| 10 kg | 100–200 mg | 100.0–200.0 ml | ≤ 200 mg |
| 12 kg | 120–240 mg | 120.0–240.0 ml | ≤ 240 mg |
| 15 kg | 150–300 mg | 150.0–300.0 ml | ≤ 300 mg |
| 18 kg | 180–360 mg | 180.0–360.0 ml | ≤ 360 mg |
| 20 kg | 200–400 mg | 200.0–400.0 ml | ≤ 400 mg |
| 25 kg | 250–500 mg | 250.0–500.0 ml | ≤ 500 mg |
| 30 kg | 300–600 mg | 300.0–600.0 ml | ≤ 600 mg |
* Always verify with your doctor. doses are approximate and may vary based on condition and formulation.
⚠️ Important Warnings
- •Hepatotoxicity; orange discoloration of secretions; many drug interactions
💡 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.