Monograph Details

Nutrition > Vitamins/minerals/supplements
OS-CAL
Manufacturer
GlaxoSmithKline Pharmaceuticals
Legal Classification
OTC
Generic Name
Calcium, elemental (as carbonate) 500mg; tabs; chew tabs.
Also
OS-CAL 250 + D
OS-CAL 500 + D
Indications
Calcium supplement.
Children
Not recommended.
Adults
Take with meals. 1 tab 2–3 times daily.
Precautions
Hypoparathyroidism.
Interactions
Blocks tetracycline absorption. Calcium absorption decreased by corticosteroids, foods such as rhubarb, spinach, bran.
Adverse Reactions
GI discomfort, hypercalcemia, hypercalciuria.
How Supplied
500, 500+D—75, 160
500 chewable—60
250+D—100, 240
Additional Resources
Related Prescribing Note