Warfarin (Pediatric)
Vitamin K antagonist. Requires very frequent monitoring of INR (blood clotting time) and is heavily influenced by diet (green leafy vegetables).
Dosage by Body Weight
Pediatric starting dose: 0.1 mg/kg to 0.2 mg/kg once daily. Maintenance dose is highly variable.
- Body Weight
- 10-20 kg
- Dose
- 1 mg to 2 mg (Initial)
- Frequency
- Once daily
- Tracking Notes
- Regular blood tests (INR) are mandatory.
| Body Weight | Dose | Frequency | Tracking Notes |
|---|---|---|---|
| 10-20 kg | 1 mg to 2 mg (Initial) | Once daily | Regular blood tests (INR) are mandatory. |
Formulation
Purpose
Long-term anticoagulation for children with mechanical heart valves or recurrent clots.
Generic Name
Warfarin SodiumBranded Drug Names
Warfarin (Pediatric) is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:
Scheduled Drug
Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.
Alternatives
Safety Advice
Alcohol
CAUTIONWarfarin (Pediatric): Alcohol can increase bleeding risk or interfere with clotting control. Avoid or limit alcohol and seek medical advice.
Pregnancy
CAUTIONWarfarin (Pediatric): Use during pregnancy only under specialist direction; some blood-thinning medicines are unsafe in pregnancy.
Breast Feeding
SAFE IF PRESCRIBEDWarfarin (Pediatric): Use while breastfeeding only with healthcare provider guidance and monitoring where needed.
Driving
SAFEWarfarin (Pediatric): Usually does not impair alertness, but avoid driving if bleeding, weakness, dizziness, or illness occurs.
Liver
CAUTIONWarfarin (Pediatric): Liver disease can increase bleeding risk and affect clotting. Use only with medical monitoring.
Kidney
CAUTIONWarfarin (Pediatric): Kidney impairment can affect dosing or bleeding risk for some anticoagulants. Monitoring may be required.