Since the product does not contain sugars, it is suitable for diabetics. If necessary, the dosage should be reduced or calcium therapy discontinued. High vitamin D intake should be avoided during calcium therapy unless especially indicated. Administration of corticosteroids may interfere with calcium absorption.
Calcium compounds reduce blood concentrations of oral tetracyclines.
Concomitant use should be avoided or doses of the drugs should not be taken within 1 hour of each other. Certain dietary substances interfere with the absorption of calcium. Gastrointestinal distress may occur. Overdosage may produce cardiac effects and give rise to anorexia, weakness, depression, polyuria, vomiting, and diarrhea or constipation.