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Lanthanum Carbonate Chewable tablet

This medicine is used to decrease the amount of phosphate in your blood that may build up due to kid... more

Generic Name: lanthanum carbonate  |  Brand Name: Fosrenol

Brand Names: Fosrenol

What is this medicine?

LANTHANUM CARBONATE (LAN tha num KAR bon ate) is a binding agent. This medicine is used to decrease the amount of phosphate in your blood that may build up due to kidney disease.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • stomach or intestine problems
  • an unusual or allergic reaction to lanthanum carbonate, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine?

Take this medicine by mouth. Chew it completely before swallowing. Follow the directions on the prescription label. Take this medicine with meals. Take your doses at regular intervals. Do not take your medicine more often than directed. Do not stop taking except on your doctor's advice.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine?

  • acid blockers
  • aspirin and aspirin-like drugs
  • beta blockers
  • captopril
  • chlorpromazine
  • digoxin
  • iron products
  • isoniazid
  • ketoconazole
  • levodopa
  • medicines for anxiety, sleep
  • medicines that treat or prevent blood clots like warfarin
  • medicines to treat seizure disorders
  • nitrofurantoin
  • NSAIDs, medicines for pain and inflammation, like ibuprofen or naproxen
  • quinidine
  • quinolone antibiotics
  • sodium polystyrene sulfonate
  • steroid medicines like prednisone or cortisone
  • tetracycline antibiotics

What should I watch for while using this medicine?

Visit your doctor or health care professional for check ups as directed. Tell your doctor if your symptoms do not improve or if you get new symptoms. You will need to have lab work done regularly.

You may need to be on a special diet while taking this medicine. Check with your doctor.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:
  • blockage at dialysis graft
  • confused, irritable
  • feeling faint
  • fever, infection
  • loss of appetite
  • low blood pressure
  • unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • constipation
  • diarrhea
  • headache
  • nausea, vomiting
  • runny nose
  • stomach pain

Where should I keep my medicine?

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from moisture. Throw away any unused medicine after the expiration date.

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.


Last Updated: June 23, 2009
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