Table 3.
Age-based recommended doses and regimens of vitamin D for treatment of nutritional rickets due to vitamin D deficiency*
| Age | Daily dose (oral) | Once weekly dose (oral) | Single dose (oral or intramuscular) |
|---|---|---|---|
| <3 Months | 2,000 IU | 50,000 IU | - |
| 3–12 Months | 2,000 IU | 50,000 IU | 50,000 IU |
| 13 Months to 12 years | 3,000–6,000 IU | 50,000 IU | 150,000 IU |
| 13–18 Years | 6,000 IU | 50,000 IU | 300,000 IU |
| >18 Years | 6,000 IU | 50,000 IU | 300,000 IU |
*
For conversion from IU to mcg, values to be divided by 40. Elemental calcium of at least 500 mg/day must be given orally in conjunction with vitamin D regardless of age or weight.