Initially 0.25 mcg daily or on alternate days, may be increased in steps of 0.25 mcg at 2-4 wk intervals to a usual dose of 0.5-1 mcg daily. Moderate to severe secondary hyperparathyroidism in dialysis patient
Initially 0.5-4 mcg 3 times a wk, may be increased in steps of 0.25-1 mcg at 2-4 wk intervals. Max: 8 mcg 3 times a wk. Established postmenopausal osteoporosis
0.25 mcg bid.