Postmenopausal osteoporosis 0.25 mcg bd.
Renal osteodystrophy (dialysis patient) Initially 0.25 mcg daily, may be increased by 0.25 mcg daily at 2-4 wk intervals. Max: 12 mcg/wk.
Patient w/ normal or slightly reduced serum Ca level 0.25 mcg every other day.
Hypoparathyroidism & rickets Initially 0.25 mcg daily, may be increased at 2-4 wk intervals.
Secondary hyperparathyroidism & resultant metabolic bone disease (pre-dialysis patient) Adult & childn ≥3 yr 0.25 mcg daily, may be increased to 0.5 mcg daily,
<3 yr Initially 10-15 ng/kg daily.