Generic Name: lanthanum carbonate (LAN than um CAR bo nayt )Brand Names: Fosrenol
Lanthanum carbonate is used for reducing phosphate levels in patients with end stage renal disease. High levels of phosphate can lead to complications with calcium absorption, resulting in serious medical problems.
Lanthanum prevents the body from absorbing phosphate, allowing it to be removed the body.
Lanthanum carbonate may also be used for purposes other than those listed in this medication guide.
Lanthanum carbonate tablets should be completely chewed before swallowing. Do not swallow the tablet whole.Take lanthanum carbonate with meals or immediately after eating.What should I discuss with my healthcare provider before taking lanthanum carbonate?
Before taking this medication, tell your doctor if you have:
a stomach ulcer;
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.
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.
See also: Lanthanum carbonate dosage in more detail
Take the missed dose as soon as you remember. If it is almost time for the next dose, skip the missed dose and take only the next regularly scheduled dose. Do not take extra medicine to make up the missed dose.
Seek emergency medical attention if you think you have used too much of this medicine.
Overdose symptoms from lanthanum carbonate are unlikely to occur.
Avoid making any changes to your diet while you are taking this medication.
Other, less serious side effects may be more likely to occur. Continue to take lanthanum carbonate and tell your doctor if you have:
nausea or vomiting;
diarrhea or constipation;
stomach pain; or
dialysis graft blockage.
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. You may report side effects to FDA at 1-800-FDA-1088.
Usual Adult Dose for Hyperphosphatemia of Renal Failure:
Initial dose: 750 mg to 1500 mg daily with meals in divided dosesAdjust dose every 2 to 3 weeks until desired serum phosphate level is achieved.
There may be other drugs that can affect lanthanum carbonate. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.