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Open Dose Calculator →Cefazolin Sodium
Cefazolin
💊 Used for: Surgical prophylaxis, respiratory infections, bone infections
Formulation
Injection
250mg, 500mg, 1gm vials
Dose Range
50–100 mg/kg
Max Daily
100 mg/kg
Frequency
Every 6 hours IV/IM
Max Single
1000 mg
Route: IV/IM
Dose by Child Weight
Based on formulation: 250mg, 500mg, 1gm vials
| Child's Weight | Dose (mg) | Dose (ml) | Max Daily Dose (mg) |
|---|---|---|---|
| 5 kg | 250–500 mg | 0.5–1.0 ml | ≤ 500 mg |
| 6 kg | 300–600 mg | 0.6–1.2 ml | ≤ 600 mg |
| 7 kg | 350–700 mg | 0.7–1.4 ml | ≤ 700 mg |
| 8 kg | 400–800 mg | 0.8–1.6 ml | ≤ 800 mg |
| 9 kg | 450–900 mg | 0.9–1.8 ml | ≤ 900 mg |
| 10 kg | 500–1000 mg | 1.0–2.0 ml | ≤ 1000 mg |
| 12 kg | 600–1200 mg | 1.2–2.4 ml | ≤ 1200 mg |
| 15 kg | 750–1500 mg | 1.5–3.0 ml | ≤ 1500 mg |
| 18 kg | 900–1800 mg | 1.8–3.6 ml | ≤ 1800 mg |
| 20 kg | 1000–2000 mg | 2.0–4.0 ml | ≤ 2000 mg |
| 25 kg | 1250–2500 mg | 2.5–5.0 ml | ≤ 2500 mg |
| 30 kg | 1500–3000 mg | 3.0–6.0 ml | ≤ 3000 mg |
* Always verify with your doctor. doses are approximate and may vary based on condition and formulation.
⚠️ Important Warnings
- •Safety not established in newborns
- •Monitor for allergic reactions
Possible Side Effects
- •Phlebitis
- •Diarrhea
- •Nausea
- •Skin rash
- •Pain at injection site
💡 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.