Active Substance: Alfacalcidol.
Overview
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This medicine contains an important and useful components, as it consists of
Alfacalcidolis available in the market in concentration
Alfacalcidol
Pregnancy, lactation, renal impairment, infants, elderly. Monitor serum levels of calcium in patients with renal failure. Caution in hypercalciuria esp in those with history of renal calculi. Avoid in patients with hypersensitivity to inj. containing propylene glycol.
Hypoparathyroidism, Hypocalcaemia, Renal osteodystrophy, Hypophosphataemia, Rickets or osteomalacia
Hypercalcaemia, metastatic calcification, hyperphosphataemia (except when occurring with hypoparathyroidism), hypermagnesaemia.
Anorexia, nausea, vomiting, diarrhoea, lassitude, polyuria, sweating, headache, thirst, vertigo, pruritus, rash, urticaria. Hypercalcaemia, hypercalciuria and ectopic calcification. In case of renal impairment, hyperphosphataemia. In hypercalcaemic dialysis patients, possibility of calcium influx from the dialysate should be considered.
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Alfacalcidol is a precursor of the active calcitriol. It does not require renal hydroxylation but requires 25-hydroxylation in the liver for conversion to calcitriol.
Thiazides may increase the risk of hypercalcaemia. Some antiepileptics e.g. carbamazepine, phenobarbital, phenytoin and primidone may increase vitamin D requirements. Rifampicin, isoniazid and corticosteroids may reduce the efficacy of vitamin D.
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