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Open Dose Calculator →Foscarnet
Foscarnet
💊 Used for: CMV retinitis in AIDS (180 mg/kg/d q8h IV x 21d induction, then 90-120 mg/kg/d maintenance); acyclovir-resistant HSV/zoster in immunocompromised
Formulation
Tablet
Standard tablet
Dose Range
120–180 mg/kg
Max Daily
180 mg/kg
Frequency
As directed
Max Single
3600 mg
Route: IV
Dose by Child Weight
Based on formulation: Standard tablet
| Child's Weight | Dose (mg) | Dose (ml) | Max Daily Dose (mg) |
|---|---|---|---|
| 5 kg | 600–900 mg | 600.0–900.0 ml | ≤ 900 mg |
| 6 kg | 720–1080 mg | 720.0–1080.0 ml | ≤ 1080 mg |
| 7 kg | 840–1260 mg | 840.0–1260.0 ml | ≤ 1260 mg |
| 8 kg | 960–1440 mg | 960.0–1440.0 ml | ≤ 1440 mg |
| 9 kg | 1080–1620 mg | 1080.0–1620.0 ml | ≤ 1620 mg |
| 10 kg | 1200–1800 mg | 1200.0–1800.0 ml | ≤ 1800 mg |
| 12 kg | 1440–2160 mg | 1440.0–2160.0 ml | ≤ 2160 mg |
| 15 kg | 1800–2700 mg | 1800.0–2700.0 ml | ≤ 2700 mg |
| 18 kg | 2160–3240 mg | 2160.0–3240.0 ml | ≤ 3240 mg |
| 20 kg | 2400–3600 mg | 2400.0–3600.0 ml | ≤ 3600 mg |
| 25 kg | 3000–4500 mg | 3000.0–4500.0 ml | ≤ 4500 mg |
| 30 kg | 3600–5400 mg | 3600.0–5400.0 ml | ≤ 5400 mg |
* Always verify with your doctor. doses are approximate and may vary based on condition and formulation.
⚠️ Important Warnings
- •Nephrotoxicity; seizures; dyselectrolytemia; QT prolongation
💡 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.