- It is used to lower high phosphate levels.
- If you have an allergy to lanthanum or any other part of this drug.
- 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).
- Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists.
- Have blood work checked as you have been told by the doctor. Talk with the doctor.
- Tell your doctor that you use this drug if you are getting x-rays near the belly.
- Very bad stomach or bowel blockage has happened with this drug. A hole in the bowel has also happened. Sometimes, this has led to the need for surgery or treatment in a hospital. Talk with your doctor.
- Do not give to a child. Talk with your doctor.
- Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this drug while you are pregnant.
- Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Very upset stomach or throwing up.
- Very bad belly pain.
- Very hard stools (constipation).
- Very loose stools (diarrhea).
- Loose stools (diarrhea).
- Belly pain.
- Upset stomach or throwing up.
- Take with or right after a meal.
- Do not take antacids within 2 hours before or 2 hours after taking this drug.
- This drug 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 drug.
- Keep taking this drug 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.
- Chew or crush well. Do not swallow it whole.
- Be sure to fully chew the whole dose before you swallow. This may help lower the risk of very bad stomach or bowel side effects.
- 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.
- 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.
- Store at room temperature.
- Store in a dry place. Do not store in a bathroom.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else’s drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, nurse, pharmacist, or other health care provider.
- 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.