VITAMIN D

(D-Visol = cholecalciferol = Vitamin D3, BabyD drops = cholecalciferol = Vitamin D3)

Standard Prescription

vitamin D__units PO daily

Dosages

Supplement for infants and children:
400 to 800 IU PO daily ** see comments

Severe Vitamin D Deficiency:
(in otherwise healthy infants, children and adolescents):
2000 units PO daily x 6-8 weeks to achieve adequate serum 25(OH)D levels, followed by maintenance dosing of 400-1000 units PO daily

Note: Dosing differs for Vitamin D deficiency associated with chronic kidney disease. Consult guidelines

Cystic Fibrosis:
<12 months: 400-500 IU PO daily. If deficient: 800-1000 IU PO daily
Maximum 2000 IU/day
1-10 years: 800-1000 IU PO daily. If deficient: 1600-3000 IU PO daily
Maximum 4000 IU/day
>10 years: 800-2000 IU PO daily. If deficient: 1600-6000 IU PO daily.
Maximum 10,000 IU/day

Mechanism of Action

Vitamin supplement

Forms Supplied

tablet: 400 IU, 1000 IU

solution: 400 IU/mL (D-Vi-Sol)

400 IU/drop (BabyD drops) [for NICU, Women's Hosp only]

Ergocalciferol (vitamin D2) is no longer stocked at BCCH.

Comments

**daily supplement is for fully breast fed term healthy infants until they derive enough Vitamin D from other sources of food.

**800 IU recommended Oct to April if North of 55th parallel (Edmonton, Prince Rupert) OR if risk factors for vitamin D deficiency (fat malabsorption, chronic anti-seizure medications, obesity).

10 mcg cholecalciferol = 400 IU.

Consider dietary intake and relevant lab values (iPTH, 25(OH)-Vitamin D level, bone mineral status) when evaluating appropriate Vitamin D dosage.

References

1, 44, 64, 91, 309, 310

Last Edited

2022-09-13 06:39:02