It stops the body from taking in too much phosphate from the gut, leading to a decrease in phosphate levels in the blood.

["Follow your doctor's advice on how much and for how long to take this medicine. Take the tablet whole with food, and do not chew, crush, or break it."]

--Nausea, vomiting, diarrhea, upset stomach, abdominal pain, constipation, rash, itching, headache, cough, shortness of breath, fever, hypercalcemia, hypophosphatemia