Need an Exact Dose for Your Child?
Enter your child's weight for an instant calculation
Open Dose Calculator →Vitamin B12 (Cyanocobalamin)
Vitamin B12 (Cyanocobalamin)
💊 Used for: Megaloblastic anemia
Formulation
Tablet
Standard tablet
Dose Range
0.5–1 mg/kg
Max Daily
N/A
Frequency
As directed
Max Single
100 mg
Route: IM
Dose by Child Weight
Based on formulation: Standard tablet
| Child's Weight | Dose (mg) | Dose (ml) | Max Daily Dose (mg) |
|---|---|---|---|
| 5 kg | 3–5 mg | 2.5–5.0 ml | — |
| 6 kg | 3–6 mg | 3.0–6.0 ml | — |
| 7 kg | 4–7 mg | 3.5–7.0 ml | — |
| 8 kg | 4–8 mg | 4.0–8.0 ml | — |
| 9 kg | 5–9 mg | 4.5–9.0 ml | — |
| 10 kg | 5–10 mg | 5.0–10.0 ml | — |
| 12 kg | 6–12 mg | 6.0–12.0 ml | — |
| 15 kg | 8–15 mg | 7.5–15.0 ml | — |
| 18 kg | 9–18 mg | 9.0–18.0 ml | — |
| 20 kg | 10–20 mg | 10.0–20.0 ml | — |
| 25 kg | 13–25 mg | 12.5–25.0 ml | — |
| 30 kg | 15–30 mg | 15.0–30.0 ml | — |
* Always verify with your doctor. doses are approximate and may vary based on condition and formulation.
⚠️ Important Warnings
- •Monitor iron and folic acid stores; watch for hypokalemia
💡 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.