Before you begin taking a medication, be sure to inform your doctor of any medical conditions or Allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should take Fosrenol (Lanthanum-carbonate).
Bone conditions: Lanthanum has been shown to accumulate in body tissues and bones. There is limited information to conclude whether or not Fosrenol (Lanthanum-carbonate) affects bone quality beyond 2 years of therapy.
Liver disease: The safety and effectiveness of Fosrenol (Lanthanum-carbonate) have not been established for people with decreased liver function. If you have reduced liver function or liver disease, discuss with your doctor how Fosrenol (Lanthanum-carbonate) may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Fosrenol (Lanthanum-carbonate), and whether any special monitoring is needed.
Stomach problems: Lanthanum may cause very serious bowel obstruction (i.e., blockage). To reduce the risk of bowel obstruction, chew the tablets completely. If you have a history of bowel obstruction, stomach surgery, decreased stomach motility, or constipation, make sure your doctor knows and has taken this into account before you start taking lanthanum. The safety and effectiveness of Fosrenol (Lanthanum-carbonate) have not been established for people with acute peptic ulcer, Ulcerative Colitis or Crohn's Disease. If you have these conditions, discuss with your doctor how Fosrenol (Lanthanum-carbonate) may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Fosrenol (Lanthanum-carbonate), and whether any special monitoring is needed.
Pregnancy: The safety and effectiveness of Fosrenol (Lanthanum-carbonate) have not been established for pregnant women. Lanthanum is not recommended for use during pregnancy.
Breast-feeding: It is not known if lanthanum passes into breast milk. If you are a breast-feeding mother and are taking Fosrenol (Lanthanum-carbonate), it may affect your baby. Talk to your doctor about whether you should continue breast-feeding.
Children and adolescents: The safety and effectiveness of using Fosrenol (Lanthanum-carbonate) have not been established for children and adolescents under 18 years of age.