How the interaction occurs:
Lanthanum and sevelamer remove phophate from the body, phosphate supplements replace phosphate and some urinary pH modifiers are high in phosphate.
What might happen:
Your medicines may not work.
What you should do about this interaction:
Ask your healthcare professionals (e.g. doctor or pharmacist) before taking these drugs together.Your healthcare professionals (e.g. doctor or pharmacist) may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.
1.Renagel (sevelamer hydrochloride) US prescribing information. Genzyme Corporation June, 2011.
2.Fosrenol (lanthanum carbonate) US prescribing information. Shire US Inc. September, 2014.