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Open Dose Calculator →Wararfarin
Warfarin
💊 Used for: Anticoagulation, DVT prophylaxis
Formulation
Tablet
Standard tablet
Dose Range
0.05–0.34 mg/kg
Max Daily
N/A
Frequency
Once daily (adjust to maintain PT 2-3 INR)
Max Single
N/A
Route: Oral/Parenteral
Dose by Child Weight
Based on formulation: Standard tablet
| Child's Weight | Dose (mg) | Dose (ml) | Max Daily Dose (mg) |
|---|---|---|---|
| 5 kg | 0–2 mg | 0.3–1.7 ml | — |
| 6 kg | 0–2 mg | 0.3–2.0 ml | — |
| 7 kg | 0–2 mg | 0.4–2.4 ml | — |
| 8 kg | 0–3 mg | 0.4–2.7 ml | — |
| 9 kg | 0–3 mg | 0.5–3.1 ml | — |
| 10 kg | 1–3 mg | 0.5–3.4 ml | — |
| 12 kg | 1–4 mg | 0.6–4.1 ml | — |
| 15 kg | 1–5 mg | 0.8–5.1 ml | — |
| 18 kg | 1–6 mg | 0.9–6.1 ml | — |
| 20 kg | 1–7 mg | 1.0–6.8 ml | — |
| 25 kg | 1–9 mg | 1.3–8.5 ml | — |
| 30 kg | 2–10 mg | 1.5–10.2 ml | — |
* Always verify with your doctor. doses are approximate and may vary based on condition and formulation.
⚠️ Important Warnings
- •Adjust dose to maintain desired prothrombin time.
💡 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.