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Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.


(KAL-see-um A-seh-tate)



In kidney disease, blood levels of phosphate may rise leading to bone problems. Calcium acetate binds phosphate in the diet to lower blood phosphate levels. This medication is used in kidney disease to control blood phosphate.

How To Use

This medication is taken by mouth with meals. The usual dose is 2 to 4 tablets with meals. Your dose may be adjusted based on lab results. Take this as directed. Do not increase your dose or take this more often than prescribed. Follow any recommended dietary guidelines.

Side Effects

Stomach upset may occur. If this continues or becomes bothersome inform your doctor. Notify your doctor if you develop: stomach pains, vomiting, constipation, dry mouth, thirst or frequent urination. If you notice other effects not listed above, contact your doctor or pharmacist.


Tell your doctor if you have: other illnesses, allergies (especially drug allergies). This medication should be used during pregnancy only if clearly needed. Discuss the risks and benefits with your doctor. It is not known if this medication appears in breast milk. Consult your doctor before breast-feeding.

Drug Interactions

Tell your doctor of any over-the-counter or prescription medication you use, especially of: water pills, blood pressure medication, tetracycline antibiotics, iron supplements, calcium supplements or calcium-based antacids. Do not start or stop any medicine without doctor or pharmacist approval.


If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include loss of appetite, nausea, vomiting, constipation, confusion, and loss of consciousness.


Laboratory tests will be done periodically while taking this medication to monitor blood phosphate and calcium levels.

Missed Dose

If you miss a dose, take it as soon as remembered; do not take it if it is near the time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.


Store at room temperature between 59 and 86 degrees F (15 to 30 degrees C) away from heat and light. Do not store in the bathroom.