<unk> (oral) is a calcium regulator, vitamin D analogue, and metabolic agent that is FDA approved for the treatment of secondary hyperparathyroidism in patients with chronic kidney disease on dialysis.   Common adverse reactions include edema, pruritus, nausea, vomiting, dizziness, headache, dyspnea, and malaise.
Doxercalciferol 
Ergocalciferol
Cholecalciferol
Calcitriol 
Vitamin D
Calcipotriol
Retinol
Menadione