Hello any body

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Does any one know if this drug potentiates any others ?
Alfacalcidol
How does it work?
Alfacalcidol is a form of vitamin D. It is converted rapidly in the liver to the active metabolite, 1,25-dihydroxycholecalciferol (calcitriol). In the normal situation it controls the intestinal absorption of calcium and phosphate and plays an important part in the regulation of bone mineralisation. In chronic renal failure, the kidneys produce insufficient calcitriol and this leads to abnormalities of calcium and phosphate metabolism. Oral administration of alfacalcidol to patients with chronic renal failure compensates for the reduced production of calcitriol. Consequently, intestinal malabsorption of calcium and phosphate and the resulting hypocalcaemia (low blood calcium levels) are improved, thereby reversing the signs and symptoms of bone disease. Alfacalcidol is also given to provide a more rapid increase in active vitamin D and hence calcium, in people with various bone diseases. As this form of vitamin D only requires one conversion to become calcitriol, it provides a quicker response than giving normal dietary vitamin D. supplements.
Swim has got some and dosnt know if its a normal pharmy or one that can have special uses.
Regards,
ME.