Renal impairment, hypoparathyroid disease, hypercalcaemia-associated diseases. Calcium absorption is impaired in achlorhydria; use an alternate salt and take with food. Caution when used in patients with a history of kidney stones.
Adult: PO Hyperacidity: Take 1-2 tab as needed, up to a max of 16 tab/day. May suck or chew tablets.
Hyperphosphataemia in chronic renal failure Initial: 2.5 g/day, up to 17 g/day in divided doses.
<25 Dosage adjustments may be needed depending on serum calcium levels.