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Medium-dose regimen: Serum 25(OH)D level remains ≤30 ng/mL and patient compliance established. Infants: Oral: 8,000 units (200 mcg) once weekly.Ĭhildren and Adolescents: Oral: 800 units (20 mcg) once daily. Initial dose: Serum 25(OH)D level ≤30 ng/mL. Infants: Oral: 800 to 1,000 units (20 to 25 mcg) once daily.Ĭhildren ≤10 years: Oral: 1,600 to 3,000 units (40 to 75 mcg) once daily.Ĭhildren >10 years and Adolescents: Oral: 1,600 to 6,000 units (40 to 150 mcg) once daily.ĭosing adjustment for serum 25(OH)D level 10 years and Adolescents: Oral: Increase to a maximum of 10,000 units (250 mcg) once daily. Infants: Oral: 400 to 500 units (10 to 12.5 mcg) once daily.Ĭhildren ≤10 years: Oral: 800 to 1,000 units (20 to 25 mcg) once daily.Ĭhildren >10 years and Adolescents: Oral: 800 to 2,000 units (20 to 50 mcg) once daily.ĭosing adjustment for serum 25(OH)D level between 20 to 30 ng/mL and patient adherence established (Step 1 increase): Recommended initial daily intake to maintain serum 25(OH)D level ≥30 ng/mL: Vitamin D deficiency in cystic fibrosis, prevention and treatment:ĬF guidelines (CF Foundation ):
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