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Wednesday, 09 March 2016 18:55


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Calcium 500 mg



Onecal Tablet: Each film coated tablet contains Calcium Carbonate BP 1250 mg equivalent to Calcium 500 mg.



Indicated in raised calcium requirement e.g. during pregnancy and lactation, and in children and adolescents at time of rapid growth, inadequate intake of calcium in the diet due to malnutrition, prevention and treatment of osteoporosis, disorders of osteogenesis and tooth formation, latent tetany.


Dosage and Administration

Adult: One Onecal 500 tablet or as directed by the physician. For the prevention of osteoporosis, 1-3 Calpro tablet is recommended generally as a dietary supplement . Doses for children is half of those for adults. A large dose should not be taken without physician's advice.

Adolescent: One to two Onecal tablet daily.

Children: One Onecal tablet daily.



Hypersensitivity to any component of this preparation, Hypercalcemia, Hyper-parathyroidism, Zolinger-Ellison Syndrome, Concomitant Digoxin therapy, Severe hypercalciuria, Severe renal insufficiency, Nephrolithiasis.



In rare cases, flatulence, diarrhoea or constipation.


Use in pregnancy & lactation

Pregnant women : Calcium containing drugs are used widely in pregnancy by way of calcium supplement or antacid therapy. No relationship between malformation in general and calcium exposure has been noted.

Lactating mother : There is no contraindication to the use of calcium carbonate in lactating mother.


Drug interactions

Oral calcium can reduce internal absorption of tetracycline and fluoride preparations and an interval of at least 3 hours should therefore be allowed between ingestion of these medications. Vitamin D increases internal absorption of calcium. The intestinal uptake of calcium may be reduced by concomitant ingestion of certain foods (e.g. spinach, milk and milk products).


Commercial Pack

Onecal Tablet: Each box containing 6x10’s tablets of Alu-PVC blister.

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