Fosrenol (Lanthanum Carbonate Chewable Tablets) Patient Information: How Should I Take the Drug at RxList

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May 27, 2012

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Kidney Failure »

What are the kidneys?

The kidneys play key roles in body function, not only by filtering the blood and getting rid of waste products, but also by balancing levels of electrolyte levels in the body, controlling blood pressure, and stimulating the production of red blood cells.

The kidneys are located in the abdomen toward the back, normally one on each side of the spine. They get their blood supply through the renal arteries directly from the aorta and send blood back to the heart via the renal veins to the vena cava. (The term "renal" is derived from the Latin name for kidney.)

The kidneys have the ability to monitor the amount of body fluid, the concentrations of electrolytes like sodium and potassium, and the acid-base balance of the body. They filter waste products of body metabolism, like urea from protein metabolism and uric acid from DNA breakdown. Two waste products in the blood can be measured: blood urea nitrogen (BUN) ...

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Fosrenol Patient Information including How Should I Take

What should I discuss with my healthcare provider before taking lanthanum carbonate (Fosrenol)?

Before taking this medication, tell your doctor if you have:

a stomach ulcer;
ulcerative colitis;
Crohn's disease; or
a bowel obstruction.

If you have any of the conditions listed above, you may not be able to use lanthanum carbonate or you may require a dosage adjustment or special monitoring during treatment.

Lanthanum carbonate is in the FDA pregnancy category C. This means that it is not known if it will be harmful to an unborn baby. Do not use this medication without telling your doctor if you are pregnant. Tell your doctor if you become pregnant during treatment.

Do not take lanthanum carbonate without telling your doctor if you are breast-feeding a baby.

Taking this medication may affect the results of certain x-ray tests of your stomach. Tell the doctor or x-ray technician that you are using lanthanum carbonate before having any x-rays.

How should I take lanthanum carbonate (Fosrenol)?

Lanthanum carbonate should be used exactly as your doctor has prescribed it for you. Do not use more of the medication than recommended. Do not take lanthanum carbonate for longer than your doctor has prescribed.

Chew the lanthanum carbonate tablet completely before swallowing. Do not swallow the tablet whole.

Lanthanum carbonate is usually taken with meals or immediately after eating.

Store lanthanum carbonate at room temperature away from moisture and heat.

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