Not recommended in adult patients w/ CKD not on dialysis w/ serum P <1.78 mmol/L. Not indicated for control of hyperparathyroidism. Safety & efficacy have not been established in patients w/ dysphagia, swallowing disorders, severe GI motility disorders (including untreated or severe gastroparesis, retention of gastric contents & abnormal or irregular bowel motion), active inflammatory bowel disease, major GIT surgery. Patients w/ CKD may develop low levels of fat-soluble vit A, D, E & K. Insufficient data to exclude possibility of folate deficiency during long term treatment. Potential absorption & accumulation during long-term chronic treatment cannot be excluded. Monitor constipated patients during treatment & re-evaluate treatment in patients who develop severe constipation or other severe GI symptoms. Monitor serum Ca levels regularly in patients w/ CKD & give elemental Ca as supplement if required; serum bicarbonate levels in patients w/ CKD; for any signs & symptoms associated w/ peritonitis in patients on peritoneal dialysis; TSH levels in concomitant use w/ levothyroxine. Caution in concomitant use w/ antiarrhythmics & anti-seizure medicinal products. Not to be taken by patients w/ galactose intolerance, total lactase deficiency or glucose-galactose malabsorption. No data on effect on fertility in humans. Pregnancy & lactation. Not recommended in childn <18 yr.