How the interaction occurs:
Antacids containing aluminum, calcium, and/or magnesium may bind to phosphate in your digestive system, preventing your body from absorbing the phosphate.
What might happen:
Your phosphate supplement may not work and your phosphate level may remain low.
What you should do about this interaction:
Unless your healthcare professional (e.g. doctor or pharmacist) instructs otherwise, avoid the use of antacids containing aluminum, calcium, and/or magnesium while you are taking a phosphate supplement. Your doctor or pharmacist can recommend alternative antacid products.If you have been taking an antacid product containing aluminum, calcium, and/or magnesium with your phosphate supplement, let your healthcare professional know. Your doctor may want to check your phosphate level.Your healthcare professionals 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.Reference:1.K-Phos Neutral (phosphorous) US prescribing information. Beach 2002.