Fosbait 500 Chewable Tablet is used to treat increased phosphate level in the blood. It is used in patients who are on dialysis due to severe kidney disease. It inhibits the absorption of phosphate from the intestine and lower the phosphate levels in the blood. Fosbait 500 Chewable Tablet should be taken with food. Take it in the dose and duration as advised by your doctor. Take it regularly and at a fixed time each day to get maximum benefit of the medicine. Using of Fosbait 500 Chewable Tablet may cause side effects such as headache, nausea, vomiting, abdominal pain, constipation and diarrhea. If you experience any other symptoms which you think may be caused due to the medicine, inform your doctor.