Tricalcium Phosphate

What is the most important information I should know about calcium phosphate?

· Do not take calcium phosphate or antacids containing calcium without first talking to your doctor if you take other medications. Calcium can decrease the effects of many other medicines by binding to them or by changing the acidity of the stomach or the urine.

· Take calcium with meals to increase its absorption by the body.

 

What is calcium phosphate?

· Calcium is a mineral that is found naturally in foods. Calcium is necessary for many normal 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 phosphate is used to prevent and to treat calcium deficiencies.

· Calcium phosphate may also be used for purposes other than those listed in this medication guide.

 

Who should not take calcium phosphate?

· Before taking this medication, tell your doctor if you     ·have had kidney stones;     ·have parathyroid gland disease;     ·take antacids or other calcium supplements; or     ·take a tetracycline antibiotic such as tetracycline (Sumycin, Achromycin V, and others), demeclocycline (Declomycin), doxycycline (Vibramycin, Monodox, Doxy, and others), minocycline (Minocin, Dynacin, and others), or oxytetracycline (Terramycin, and others).

· You may not be able to take calcium phosphate, or you may require a dosage adjustment or special monitoring during treatment if you have any of the conditions, or take any of the medications, listed above.

· Talk to your doctor before taking calcium phosphate if you are pregnant. In general, calcium is important for the development of an unborn baby.

· Talk to your doctor before taking calcium phosphate if you are breast-feeding. Calcium is important for the development of a breast-feeding baby.

 

How should I take calcium phosphate?

· Take calcium phosphate exactly as directed by your doctor or follow the directions on the package. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.

· Swallow the calcium phosphate tablets with a full glass of water.

· Take calcium with meals to increase its absorption by the body, unless otherwise directed by your doctor.

· Store calcium phosphate at room temperature away from moisture and heat.

 

What happens if I miss a dose?

· Take the missed dose as soon as you remember. However, if it is almost time for the next dose, skip the missed dose and take only the next regularly scheduled dose. Do not take a double dose of this medicine unless your doctor directs otherwise.

 

What happens if I overdose?

· Seek emergency medical attention.

· Symptoms of a calcium overdose include nausea, vomiting, decreased appetite, constipation, confusion, delirium, stupor, and coma.

 

What should I avoid while taking calcium phosphate?

· If you take other medicines, do not take calcium phosphate without first talking to your doctor.

 

What are the possible side effects of calcium phosphate?

· Stop taking calcium phosphate and seek emergency medical attention if you experience a rare allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives).

· Other, less serious side effects may be more likely to occur. Continue to take calcium phosphate and notify your doctor if you experience     ·nausea or vomiting;     ·decreased appetite;     ·constipation;     ·dry mouth or increased thirst; or     ·increased urination.

· Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

 

What other drugs will affect calcium phosphate?

· Before taking calcium phosphate, tell your doctor if you are taking     ·digoxin (Lanoxin, Lanoxicaps);     ·antacids containing calcium or aluminum;     ·other calcium supplements;     ·calcitriol (Rocaltrol) or vitamin D supplements; or     ·a tetracycline antibiotic such as tetracycline (Sumycin, Achromycin V, and others), demeclocycline (Declomycin), doxycycline (Vibramycin, Monodox, Doxy, and others), minocycline (Minocin, Dynacin, and others), or oxytetracycline (Terramycin, and others).

· You may not be able to take calcium phosphate, or you may require a dosage adjustment or special monitoring during your treatment if you are taking any of the medicines listed above.

· Drugs other than those listed here may also interact with calcium phosphate. Talk to your doctor and pharmacist before taking any other prescription or over-the-counter medicines.

 

Where can I get more information?

· Your doctor, pharmacist, or health care provider may have more information about calcium phosphate.