Medical term:
1,25-dihydroxycholecalciferol
calcitriol
[kal´sĭ-tri´ol]1,25-dihydroxycholecalciferol; a form of vitamin D used as a calcium regulator in the management of hypocalcemia in conditions such as rickets, osteodystrophy, hypoparathyroidism, and complications of renal dialysis; administered orally or intravenously.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
cal·ci·tri·ol
(kal'si-trī'ol),1α,25-Dihydroxycholecalciferol (thus, a 1,3,25-triol); formation of calcitriol is the second step in the biologic conversion of vitamin D3 to its active form; it is more potent than calcidiol.
Farlex Partner Medical Dictionary © Farlex 2012
calcitriol
A form of vitamin D3 which promotes intestinal absorption of Ca2+, increases renal tubular reabsorption of Ca2+ and reduces Ca2+ resorption by bone.Indications
Postmenopausal and corticosteroid-induced osteoporosis, hypocalcaemia, hypoparathyroidism, osteomalacia, rickets, renal osteodystrophy, chronic renal dialysis.
Adverse effects
Nausea, vomiting, constipation, anorexia, headache, thirst, sweating, polyuria—all due to hypercalcaemia.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
calcitriol
A vitamin D analogue drug used in the treatment of low calcium levels resulting from kidney disease. Brand names are Calcijex, Rocatrol and Silkis.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
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