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Generic Name: calcium acetate (KAL see um AS e tate)
Brand Name: Calphron, Eliphos, PhosLo Gelcap, Phoslyra

What is Calphron (calcium acetate)?

Calcium is a mineral that is needed for many functions of the body, especially bone formation and maintenance. Calcium can also bind to other minerals such as phosphate, and aid in their removal from the body.

Calcium acetate is used to control phosphate levels to keep them from getting too high in people with kidney failure.

Calcium acetate may also be used for purposes not listed in this medication guide.

What is the most important information I should know about Calphron (calcium acetate)?

You should not use calcium acetate if you have high levels of calcium in your blood.

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What should I discuss with my healthcare provider before taking Calphron (calcium acetate)?

You should not use calcium acetate if you are allergic to it, or if you have high levels of calcium in your blood.

Ask a doctor or pharmacist if it is safe for you to use this medicine if you have other medical conditions, especially:

  • if your kidney disease gets worse; or

  • if you also take digoxin (digitalis, Lanoxin).

It is not known whether calcium acetate will harm an unborn baby. Do not use this medicine without a doctor's advice if you are pregnant.

It is not known whether calcium acetate passes into breast milk or if it could harm a nursing baby. Do not use this medicine without a doctor's advice if you are breast-feeding a baby.

Do not give this medicine to a child without medical advice.

How should I take Calphron (calcium acetate)?

Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.

Your doctor may occasionally change your dose to make sure you get the best results.

Take this medicine with each meal, unless your doctor tells you otherwise.

You may need to keep a food diary to measure how much calcium you are getting in your diet.

You may need frequent medical tests to help your doctor determine how long to treat you with calcium acetate.

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking Calphron (calcium acetate)?

Do not take additional calcium supplements unless your doctor has told you to.

Avoid using antacids without your doctor's advice. Use only the specific type of antacid your doctor recommends. Many antacids contain calcium and you could be getting too much of this mineral if you take a calcium antacid with calcium acetate.

Calcium acetate can make it harder for your body to absorb other medicines you take by mouth.

  • Avoid taking an antibiotic such as ciprofloxacin (Cipro), moxifloxacin (Avelox), or levofloxacin (Levaquin) within 2 hours before or 6 hours after you take calcium acetate.

  • Avoid taking an antibiotic such as doxycycline (Doryx, Oracea), minocycline (Solodyn), or tetracycline within 1 hour before you take calcium acetate.

  • Avoid taking levothyroxine (Synthroid, Levothroid) within 4 hours before or 4 hours after you take calcium acetate.

Calphron (calcium acetate) side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using calcium acetate and call your doctor at once if you have:

  • high levels of calcium in your blood--nausea, vomiting, constipation, increased thirst or urination, muscle weakness, bone pain, confusion, lack of energy, or tired feeling.

Common side effects may include:

  • increased calcium in the blood

  • nausea; or

  • diarrhea.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

See also: Side effects (in more detail)

What other drugs will affect Calphron (calcium acetate)?

Other drugs may interact with calcium acetate, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.

Where can I get more information?

  • Your pharmacist can provide more information about calcium acetate.
  • Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
  • Disclaimer: Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

Copyright 1996-2012 Cerner Multum, Inc. Version: 8.01. Revision Date: 2015-06-09, 1:05:19 PM.