<p>If symptoms do not improve after 7 days, the clinical situation should be reviewed. Each 10 mL dose has a Sodium content of 141 mg (6.2 mmoL). This should be taken into account when a highly restricted salt diet is recommended, e.g. in some cases of congestive cardiac failure and renal impairment. Each 10 mL dose contains 160 mg (1.6 mmoL) of Calcium Carbonate. Care needs to be taken in treating patients with hypercalcaemia, nephrocalcinosis and recurrent calcium containing renal calculi.</p>