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Open Dose Calculator →Pyrimethamine + Sulfadoxine
Pyrimethamine + Sulfadoxine
💊 Used for: Chloroquine-resistant P. falciparum (in combination with artesunate)
Formulation
Tablet
Standard tablet
Dose Range
1–1 mg/kg
Max Daily
1 mg/kg
Frequency
As directed
Max Single
50 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 | 5–5 mg | 5.0–5.0 ml | ≤ 5 mg |
| 6 kg | 6–6 mg | 6.0–6.0 ml | ≤ 6 mg |
| 7 kg | 7–7 mg | 7.0–7.0 ml | ≤ 7 mg |
| 8 kg | 8–8 mg | 8.0–8.0 ml | ≤ 8 mg |
| 9 kg | 9–9 mg | 9.0–9.0 ml | ≤ 9 mg |
| 10 kg | 10–10 mg | 10.0–10.0 ml | ≤ 10 mg |
| 12 kg | 12–12 mg | 12.0–12.0 ml | ≤ 12 mg |
| 15 kg | 15–15 mg | 15.0–15.0 ml | ≤ 15 mg |
| 18 kg | 18–18 mg | 18.0–18.0 ml | ≤ 18 mg |
| 20 kg | 20–20 mg | 20.0–20.0 ml | ≤ 20 mg |
| 25 kg | 25–25 mg | 25.0–25.0 ml | ≤ 25 mg |
| 30 kg | 30–30 mg | 30.0–30.0 ml | ≤ 30 mg |
* Always verify with your doctor. doses are approximate and may vary based on condition and formulation.
⚠️ Important Warnings
- •Not for long-term prophylaxis; Stevens-Johnson syndrome; sulfa allergy
💡 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.