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Open Dose Calculator →Vigabatrin
Vigabatrin
💊 Used for: Resistant partial seizures, infantile spasms (especially tuberous sclerosis), Lennox-Gastaut syndrome. First-line for infantile spasms with steroids.
Formulation
Tablet
Standard tablet
Dose Range
50–150 mg/kg
Max Daily
N/A
Frequency
Every 12 hours (gradually increase by 30 mg/kg every 5 days)
Max Single
2000 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 | 250–750 mg | 250.0–750.0 ml | — |
| 6 kg | 300–900 mg | 300.0–900.0 ml | — |
| 7 kg | 350–1050 mg | 350.0–1050.0 ml | — |
| 8 kg | 400–1200 mg | 400.0–1200.0 ml | — |
| 9 kg | 450–1350 mg | 450.0–1350.0 ml | — |
| 10 kg | 500–1500 mg | 500.0–1500.0 ml | — |
| 12 kg | 600–1800 mg | 600.0–1800.0 ml | — |
| 15 kg | 750–2250 mg | 750.0–2250.0 ml | — |
| 18 kg | 900–2700 mg | 900.0–2700.0 ml | — |
| 20 kg | 1000–3000 mg | 1000.0–3000.0 ml | — |
| 25 kg | 1250–3750 mg | 1250.0–3750.0 ml | — |
| 30 kg | 1500–4500 mg | 1500.0–4500.0 ml | — |
* Always verify with your doctor. doses are approximate and may vary based on condition and formulation.
⚠️ Important Warnings
- •Stop if no response in 2 weeks. SE: weight gain, hyperkinesia, visual field defects, retinopathy.
💡 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.