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Open Dose Calculator →Ceftriaxone Sodium
Ceftriaxone
💊 Used for: Meningitis, gonorrhea, serious infections, surgical prophylaxis
Formulation
Injection
125mg, 250mg, 500mg, 1gm vials
Dose Range
50–100 mg/kg
Max Daily
100 mg/kg
Frequency
Once or twice daily IV/IM
Max Single
4000 mg
Route: IV/IM
Dose by Child Weight
Based on formulation: 125mg, 250mg, 500mg, 1gm vials
| Child's Weight | Dose (mg) | Dose (ml) | Max Daily Dose (mg) |
|---|---|---|---|
| 5 kg | 250–500 mg | 1.0–2.0 ml | ≤ 500 mg |
| 6 kg | 300–600 mg | 1.2–2.4 ml | ≤ 600 mg |
| 7 kg | 350–700 mg | 1.4–2.8 ml | ≤ 700 mg |
| 8 kg | 400–800 mg | 1.6–3.2 ml | ≤ 800 mg |
| 9 kg | 450–900 mg | 1.8–3.6 ml | ≤ 900 mg |
| 10 kg | 500–1000 mg | 2.0–4.0 ml | ≤ 1000 mg |
| 12 kg | 600–1200 mg | 2.4–4.8 ml | ≤ 1200 mg |
| 15 kg | 750–1500 mg | 3.0–6.0 ml | ≤ 1500 mg |
| 18 kg | 900–1800 mg | 3.6–7.2 ml | ≤ 1800 mg |
| 20 kg | 1000–2000 mg | 4.0–8.0 ml | ≤ 2000 mg |
| 25 kg | 1250–2500 mg | 5.0–10.0 ml | ≤ 2500 mg |
| 30 kg | 1500–3000 mg | 6.0–12.0 ml | ≤ 3000 mg |
* Always verify with your doctor. doses are approximate and may vary based on condition and formulation.
⚠️ Important Warnings
- •Crosses blood-brain barrier
- •Monitor for biliary sludge
- •IM injection painful
Possible Side Effects
- •Diarrhea
- •Rash
- •Phlebitis
- •Biliary sludge
- •Pain at injection site
- •Elevated liver enzymes
💡 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.