Not recommended for use in adult patients w/ CKD not on dialysis w/ serum P <1.78 mmol/L. If therapy is initiated, monitor patients suffering 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. Re-evaluate treatment in patients who develop severe constipation or other severe GI symptoms. Peritonitis. Closely monitor patients w/ hypothyroidism. Not indicated for the control of hyperparathyroidism. Serious inflammatory disorders of different parts of the GIT (including serious complications eg, haemorrhage, perforation, ulceration, necrosis, colitis & colonic/caecal mass). Regularly assess serum vit A, D, E & K status in patients not taking supplemental vit; vit D supplements (approx 400 IU daily) is recommended in CKD patients not on dialysis. Monitoring of fat-soluble vit & folic acid is recommended in patients undergoing peritoneal dialysis. Monitor serum Ca & bicarbonate levels regularly. Pregnancy & lactation. Not recommended for use in childn <6 yr.