If necessary, the dosage should be reduced or calcium therapy discontinued. High vitamin D intake should be avoided during calcium therapy unless specially 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. Occasional diarrhea or constipation may occur with high calcium intake. Bottles of 100.