PHOSPHATE SALTS SHOULD NOT BE GIVEN ORALLY WITH CALCIUM,ALUMINIUM AND MAGNESIUM SALTS AS THEY WILL BIND PHOSPHATE AND REDUCE ITS ABSORPTION.VIT D INCREASES ITS ABSORPTION & MAY LEAD TO HYPERPHOSPHATAEMIA.DIURETICS MAY LEAD TO ELECTROLYTE IMBALANCE, HYPERKALEMIA,HYPERCALCAEMIA & ECTOPIC CALCIFICATION