Calcium supplements are usually only required where dietary calcium intake is deficient. This dietary requirement varies with age and is relatively greater in childhood, pregnancy and lactation due to an increased demand, and in old age, due to impaired absorption. In osteoporosis, a calcium intake which is double the recommended daily amount reduces the rate of bone loss. In hypocalcaemic tetany calcium gluconate must be given parenterally but plasma calcium must be monitored. Calcium gluconate is also used in cardiac resuscitation.

Calcium gluconate is a complementary drug

Injection (Solution for injection), calcium gluconate (monohydrate) 100 mg (Ca2+ 220 micromol)/ml, 10-ml ampoule

Uses:

hypocalcaemic tetany

Contraindications:

conditions associated with hypercalcaemia and hypercalciuria (for example some forms of malignant disease)

Precautions:

monitor plasma calcium concentration; interactions: Appendix 1

Dosage:

Hypocalcaemic tetany, by slow intravenous injection , ADULT 1 g (2.2 mmol) followed by continuous intravenous infusion of about 4 g (8.8 mmol) daily

Dilution and administration. According to manufacturer’s directions

Adverse effects:

mild gastrointestinal disturbances; bradycardia, arrhythmia; irritation at injection site

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