Fosrenol (Lanthanum Powder)

Name: Fosrenol (Lanthanum Powder)

What do I need to tell my doctor BEFORE I take Fosrenol?

  • If you have an allergy to lanthanum or any other part of Fosrenol (lanthanum powder).
  • If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
  • If you have a bowel block.
  • If you have hard stools (constipation).

This is not a list of all drugs or health problems that interact with this medicine.

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Fosrenol with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

How is this medicine (Fosrenol) best taken?

Use this medicine as ordered by your doctor. Read all information given to you. Follow all instructions closely.

  • Take with or right after a meal.
  • Do not take antacids within 2 hours of Fosrenol.
  • This medicine prevents many other drugs from getting into the body. If you take other drugs, check with your doctor or pharmacist to see if you need to take them at some other time than this medicine.
  • Keep taking Fosrenol as you have been told by your doctor or other health care provider, even if you feel well.
  • To gain the most benefit, do not miss doses.
  • Do not open until you are ready to use.
  • Sprinkle powder on a small amount of applesauce or other soft food. Do not try to melt in liquid.
  • After mixing, take your dose right away. Do not store for future use.

What do I do if I miss a dose?

  • Take a missed dose as soon as you think about it.
  • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
  • Do not take 2 doses at the same time or extra doses.

What are some other side effects of Fosrenol?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

  • Loose stools (diarrhea).
  • Belly pain.
  • Upset stomach or throwing up.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.

If OVERDOSE is suspected

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

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